Get help with Windows activation errors (2024)

Windows 11Windows 10

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Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. This article will help you troubleshoot and fix common activation errors in Windows.

For help finding your product key, see Find your Windows product key. For troubleshooting and other info about updating Windows 11, see Windows Update: FAQ or Troubleshoot problems updating Windows. For info on upgrading to Windows 11, see Upgrade to Windows: FAQ.

Activating Windows

Try the Activation troubleshooter

If you're running Windows 11,the Activation troubleshootermight help reactivate Windows if you recently made a significant hardware change (such as replacing the motherboard) or reinstalled Windows.

You must be an administrator to use this option. For moreinfo, see Using the Activation troubleshooter.

Fix common errors

The following are some of the most common activation errors with possible solutions forWindows 11.If you're getting an error code that isn't listed on this page, contact customer support.

If you upgraded to Windows 11for free and your device isn’t activated, make sure you’re running the latest version of Windows 11. This version includes improvements to activation and troubleshooting activation errors. For more info about how to keep Windows up to date, see Windows Update: FAQ.

For more info about how activation works in Windows 11or Windows 10, see Activate Windows.
For more info about how to activateWindows7or Windows8.1including how to activate either by phone, see Activate Windows 7 or Windows 8.1.

Error	What it means and how to fix it
Windows reported that the hardware of your device has changed. 0xC004F211	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won’t be able to find a matching license the next time you start your device. If Windows was preinstalled on the device and you have made a change such as replacing the motherboard, you'll need a new license. To purchase a new Windows license, Start > Settings > System > Activation , and then select Go to Microsoft Store. Open Activation settings If you have a Windows product key you used on your device before the hardware change, enter it by selecting Start > Settings > System > Activation, and then selecting Change product key. Additionally, Microsoft provides an exception path for transferring a Windows License after a hardware change. You’ll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Start > Settings > System > Activation, and then select Troubleshoot. If the troubleshooter can’t resolve the issue, you’ll see a link to reactivate after a hardware change. Select it to follow this path. For more info, seeReactivating Windowsafter a hardware change.
The product key used on this device didn't work with this edition of Windows. You might need to get in touch with the store or company you bought Windows from, enter a different product key, or go to the Store to buy genuine Windows. 0xC004F212	When you reinstall Windows 11using a digital license, you’re asked to choose which edition to install. If you choose an edition other than the one you’re licensed to use, you may receive this error. If you think you installed the wrong edition, select Start > Settings > System > Activation, and then select Troubleshoot. If the troubleshooter detects a valid Windows 11digital license for an edition not currently installed, it will let you know and show you how to install the correct edition. Open Activation settings
Windows reported that no product key was found on your device. 0xC004F213	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won’t be able to find a matching license the next time you start your device. If Windows was preinstalled on the device and you have made a change such as replacing the motherboard, you'll need a new license. To purchase a new Windows license, select Start > Settings > System > Activation , and then select Go to Microsoft Store. Open Activation settings If you have a Windows product key you used on your device before the hardware change, enter it by selecting Start > Settings > System > Activation, and then selecting Change product key. In addition, Microsoft provides an exception path for transferring a Windows License after a hardware change. You’ll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Start > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter can’t resolve the issue, you’ll see a link to reactivate after a hardware change. Select it to follow this path. For more info, see ReactivatingWindowsafter a hardware change.
"Your Windows License Will Expire Soon" warning	This may occur if you have avolume license client installed.Windows 11Pro volume license clients are used by large organizations that deploy Windows 11to hundreds or thousands of computers. In this situation,activation is typically managed by your organization, and you'll need to contact your system administrator for assistance. For more info, see Troubleshooting Windows license expiration issues.
0x803f7001	If you see error code 0x803F7001, it means that a valid Windows 11license couldn’t be found to activate Windows on your device. Here's how to activate Windows: Select Start > Settings >System> Activation . If you have a valid product key, select Change product key, and then enter the 25-character product key. If you don’t have a valid product key, select Go to Microsoft Store, and follow the instructions to buy a digital license for Windows. Open Activation settings Note:Your product key should be in the confirmation email you received after buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For help finding your product key, see Find your Windows product key. For more info on how to troubleshoot error code 0x803F7001, see Fix Windows activation error 0x803F7001.
0x800704cF	This error means we didn’t find a valid Windows license for your device. You must use a valid product key to activate Windows. Your product key should be in the confirmation email you received after buying Windows,included with the packaging that came withyour device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For help finding your product key, see Find your Windows product key. If you have a valid product key, use it to activate Windows: Select Start > Settings > System> Activation . Select Change product key, and then enter the 25-character product key. Open Activation settings If you've made a major change to your device's hardware, such as a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page.Note that you might be asked to go through the reactivation process. For more info, see Using the Activation troubleshooter. Notes: If you’re looking for info about how to activate Windows7orWindows8.1see Activate Windows 7 or Windows 8.1. If you’re looking for info about how to activate Windows 11seeActivate Windows.
0xC004C060, 0xC004C4A2, 0xC004C4A2, 0x803FA067L, 0xC004C001, 0xC004C004, 0xC004F004, 0xC004C007, 0xC004F005, 0xC004C00F, 0xC004C010, 0xC004C00E, 0xC004C4A4, 0xC004C4A5, 0xC004B001, 0xC004F010, 0xC004F050	Reasons why you might see these errors: You entered a product key that can't be used to activate Windows. Enter a different product key or buy a new product key. You upgraded to Windows 11, but the activation servers were busy. If you upgraded from an activated copy of Windows7or Windows8.1, your copy of Windows 11will be automatically activated, or you can wait a while and then select Activate. If you continue to have problems with activation, contactcustomer support. You upgraded to Windows 11using the free upgrade offer, but Windows 11isn't activated after a reinstall. Your copy of Windows 11should automatically be activated as long as you didn't make any significant hardware changes to your device (such as replacing the motherboard). If you continue to have problems with activation, contact customer support.
0xC004C003	You may see this error becausethe Windows 11product key you enteredisn’tvalid.Product keys are unique—assigned to a specific user to install on a single device.Ifakey was used(or attempted to be used)on multiple devices, it’s marked as not valid.To activate Windows, you’llneed to provide a different Windows key unique to your device. If youbought a device from areseller of Windows 11and expected the key to be valid, contact the reseller.If your device was purchased with Windows 11preinstalled and you received thisactivationerrorupon turning it on for thefirsttime,contactyour device manufacturer. If your experience with your device is different from those listed above,trythe following: Run the WindowsActivation Troubleshooter: Select Start > Settings >System> Activation and then selectTroubleshoot. Open Activation settings Check to see if you have a paper copy of your Windows 25-character product key you can enter to activate Windows 11. If your device was recently repaired at an independent repair facility, contact them to see if the repairsrequire a new Windows 11license. If the device is new and has never been activated,contact your device manufacturer.
0xC004F034	You might see this error if you entered an invalid product key or a product key for a different version of Windows. Enter a valid product key that matches the version and edition of Windows 11installed on your device. If Windows is installed on a device that connects to a Key Management Service (KMS) server, contact your organization's support person for more info about how to activate Windows.
0xC004F210	You might see this error if you entered a product key for a different edition of Windows than the edition installed on your device. You might also see this error if you previously upgraded to Windows 11, butthe current edition of Windows installed on your device doesn't match the edition of your digital license. You can either enter a valid product key that matches the edition of Windows installed on your device or reinstall the edition of Windows 11that matches your digital license. If your device is running Windows 11(Version 1607 or later),the Activation troubleshooter can help you install the correct edition of Windows on your device. For more info, see Using the Activation troubleshooter.
0xC004E016, 0xC004F210	You might see this error if you entered a product key for a different version or edition of Windows. For example, a product key for the Enterprise edition of Windows 11can't be used to activate Windows 11Home or Windows 11Core editions. Enter a product key that matches the version and edition of Windows installed on your device or buy a new copy of Windows from the Microsoft Store.
0xC004FC03	You might see this error if you're not connected to the internet or your firewall settings are preventing Windows from completing the activation process online. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating. If you're still having problems, try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. Note:If you're running Windows 11Pro EDU or Windows 11Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 can't be used. SeeHow to activate Windows 11 Pro for Workstations and Windows 11 Pro EDU.
0xC004E028	You might see this error if you try to activate a device that is already in the process of activation. Your device should be activated after the first request is completed.
0x8007267C	You might see this error if you’re not connected to the internet or the activation server is temporarily unavailable. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating.
0xD0000272, 0xC0000272, 0xc004C012, 0xC004C013, 0xC004C014	If the activation server is temporarily unavailable, your copy of Windows will automatically be activated when the service comes back online.
0xC004C008, 0xC004C770, 0x803FA071	You might see this error if the product key has already been used on another device, or it's being used on more devices than the Microsoft Software License Terms allow. To fix the problem, buy a product key for each one of your devices to activate Windows on them. If you’re using Windows 11, you can buy Windows from the Microsoft Store: Select Start > Settings > Update & Security > Activation . Select Go to Microsoft Store, then follow the instructions to buy Windows 11. Open Activation settings Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person. If you made asubstantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key,try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. For more info about reactivating Windows 11(Version 1607 or later) after a hardware change, see ReactivatingWindows after a hardware change. If you're running Windows 11Pro EDU or Windows 11 Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 can't be used. Learn more about Windows 11Pro EDU or Windows 11Pro for Workstations.
0xC004F00F	You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 11Home or Windows 11Pro. Enter a product key that matches the edition of Windows on your device.
0xC004C020	This error occurs when a Volume License (a license that was bought from Microsoft by an organization to install Windows on multiple devices) was used on more devices than the Microsoft Software License Terms allow. To fix the problem, you might need to use a different product key to activate Windows on your device. Contact your organization's support person for more info.
0x8007232B, 0xC004F074, 0xC004F038, 0x8007007B	You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 11Home or Windows 11Pro. Try entering a product key that matches the edition of Windows on your device. Or, you might see this error if you're trying to activate your work device but aren't connected to your workplace's network. If you're connected to your work network and still see this error, you might need to change the network settings. Contact your organization's support person for more info. If your organization doesn't have a support person, you might need to enter your product key again: Select Start > Settings > System> Activation . Select Change product key, and then type your 25-character product key. Open Activation settings You might be asked for an admin password or to confirm your choice.
0x80072F8F	You might see this error if the date and time for the device is incorrect, or Windows has trouble connecting to the online activation service and can't verify your product key. To verify the date and time, select Start > Settings > Time & language > Date & time. Verify date and time in Settings To check your internet connection: In the search box on the taskbar, type network troubleshooter, then select Identify and repair network problems from the list of results. Follow the instructions to fix any problems with the network. If the network troubleshooter didn't find any problems with your network connection, try restarting your device to see if that fixes the problem.
0xC004E003	You might see this error after installing third-party software that changed system files. Windows activation needs certain system files to complete activation. You can try to restore the system files back to an earlier point in time. This removes any software you installed after that point in time without affecting your personal files. For more info, see the section about how to restore from a system restore point in Recovery options in Windows.
0x80004005	Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter.For more info about the troubleshooter, see Using the Activation troubleshooter. Open Activation settings If this doesn't work, you might need to reset your device. For more info, see the section in Recovery options in Windows.
0x87e10bc6	An error occurred with our activation server or licensing service. Please wait a few minutes and then try the following Windows 11Pro License Recovery steps: Select Start > Settings > System> Activation , and then select Troubleshoot to run the Activation troubleshooter. Open Activation settings When the troubleshooter is complete, select Go to Microsoft Store to launch the Microsoft Store app. If the Microsoft Store app shows there was a problem, select Try again. After a few minutes, you should see a message that thanking you for activating genuine Windows, followed by another message showing that Windows was activated. For more info about the troubleshooter, see Using the Activation troubleshooter.
0x80070652	This error can occur if the update components are missing or corrupted on the computer. This error might also occur due to poor network connectivity received by the system. Use theWindows update troubleshooter to check for the corrupted or missing updates or components. Running the troubleshooter will help findand in some cases fixthe issue. Also, check the strength of your internet connection.
All other error codes	Go to Windows Help, enter the error code in the Search for Help box at the top-right, and run the search. Browse through the search results carefully to make sure you try only those that apply to your situation.

For help finding your product key, see Find your Windows product key. For troubleshooting and other info about updating Windows 10, see Windows Update: FAQ or Troubleshoot problems updating Windows. For info on upgrading to Windows 10, see Upgrade to Windows: FAQ.

Activating Windows

See Activate Windowsfor general info about activation, including how to choose your activation method.
See Reactivating Windowsafter a hardware change for more info about reactivating Windows 10 after making a significant change to your device's hardware.
See Activate Windows 7 or Windows 8.1for info about activation of earlier versions of Windows.

If you're having trouble activating Windows 10, follow these steps to fix activation errors:

Confirm that your device is up to date and running Windows 10, version 1607 or later. In the search box on the taskbar, type winver, and then select Winver from the list of results. You'll see theversion and build of Windows.
Not running Windows 10, version 1607 or later? Learn how to update your device at update Windows 10.
Use the Activation troubleshooter to resolve simple errors. For more info, see Try the Activation troubleshooter below.
If you're still getting an error, check the list of error codes below and follow the suggested steps to resolve it.
Make sure the error hasn't changed. Sometimes when you run the Activation troubleshooter or try to activate, the error code and message will change. If the error code has changed, look up the new code below and follow the recommended steps.(If you're getting an error code that isn't listed on this page, contact customer support.)

Not running Windows 10 yet? See Activate Windows 7 or Windows 8.1.

Try the Activation troubleshooter

If you're running Windows 10, version 1607 or later, the Activation troubleshootermight help reactivate Windows if you recently made a significant hardware change (such as replacing the motherboard) or reinstalled Windows.

You must be an administrator to use this option. For moreinfo, see Using the Activation troubleshooter.

Fix common errors

The following are some of the most common activation errors with possible solutions forWindows10.If you're getting an error code that isn't listed on this page, contact customer support.

If you upgraded to Windows10for free and your device isn’t activated, make sure you’re running the latest version of Windows10. This version includes improvements to activation and troubleshooting activation errors. For more info about how to keep Windows up to date, see Windows Update: FAQ.

For more info about how activation works in Windows10, see Activate Windows.
For more info about how to activate Windows7or Windows8.1, including how to activate either by phone, see Activate Windows 7 or Windows 8.1.

Error	What it means and how to fix it
Windows reported that the hardware of your device has changed. 0xC004F211	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won’t be able to find a matching license the next time you start your device. If Windows was preinstalled on the device and you have made a change such as replacing the motherboard, you'll need a new license. To purchase a new Windows license, Start > Settings > Update & Security > Activation , and then select Go to Microsoft Store. Open Activation settings If you have a Windows product key you used on your device before the hardware change, enter it by selecting Start > Settings > Update & Security > Activation, and then selecting Change product key. Additionally, Microsoft provides an exception path for transferring a Windows License after a hardware change. You’ll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Start > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter can’t resolve the issue, you’ll see a link to reactivate after a hardware change. Select it to follow this path. For more info, seeReactivating Windowsafter a hardware change.
The product key used on this device didn't work with this edition of Windows. You might need to get in touch with the store or company you bought Windows from, enter a different product key, or go to the Store to buy genuine Windows. 0xC004F212	When you reinstall Windows 10 using a digital license, you’re asked to choose which edition to install. If you choose an edition other than the one you’re licensed to use, you may receive this error. If you think you installed the wrong edition, select Start > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter detects a valid Windows 10 digital license for an edition not currently installed, it will let you know and show you how to install the correct edition. Open Activation settings
Windows reported that no product key was found on your device. 0xC004F213	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won’t be able to find a matching license the next time you start your device. If Windows was preinstalled on the device and you have made a change such as replacing the motherboard, you'll need a new license. To purchase a new Windows license, select Start > Settings > Update & Security > Activation , and then select Go to Microsoft Store. Open Activation settings If you have a Windows product key you used on your device before the hardware change, enter it by selecting Start > Settings > Update & Security > Activation, and then selecting Change product key. In addition, Microsoft provides an exception path for transferring a Windows License after a hardware change. You’ll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Start > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter can’t resolve the issue, you’ll see a link to reactivate after a hardware change. Select it to follow this path. For more info, see ReactivatingWindows after a hardware change.
"Your Windows License Will Expire Soon" warning	This may occur if you have avolume license client installed.Windows 10 Pro volume license clients are used by large organizations that deploy Windows 10to hundreds or thousands of computers. In this situation,activation is typically managed by your organization, and you'll need to contact your system administrator for assistance. For more info, see Troubleshooting Windows license expiration issues.
0x803f7001	If you see error code 0x803F7001, it means that a valid Windows 10 license couldn’t be found to activate Windows on your device. Here's how to activate Windows: Select Start > Settings > Update & Security> Activation . If you have a valid product key, select Change product key, and then enter the 25-character product key. If you don’t have a valid product key, select Go to Microsoft Store, and follow the instructions to buy a digital license for Windows. Open Activation settings Note:Your product key should be in the confirmation email you received after buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For help finding your product key, see Find your Windows product key. For more info on how to troubleshoot error code 0x803F7001, see Fix Windows activation error 0x803F7001.
0x800704cF	This error means we didn’t find a valid Windows license for your device. You must use a valid product key to activate Windows. Your product key should be in the confirmation email you received after buying Windows,included with the packaging that came withyour device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For help finding your product key, see Find your Windows product key. If you have a valid product key, use it to activate Windows: Select Start > Settings > Update & Security> Activation . Select Change product key, and then enter the 25-character product key. Open Activation settings If you've made a major change to your device's hardware, such as a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page.Note that you might be asked to go through the reactivation process. For more info, see Using the Activation troubleshooter. Note:If you’re looking for info about how to activate Windows7or Windows8.1, see Activate Windows 7 or Windows 8.1.
0xC004C060, 0xC004C4A2, 0xC004C4A2, 0x803FA067L, 0xC004C001, 0xC004C004, 0xC004F004, 0xC004C007, 0xC004F005, 0xC004C00F, 0xC004C010, 0xC004C00E, 0xC004C4A4, 0xC004C4A5, 0xC004B001, 0xC004F010, 0xC004F050	Reasons why you might see these errors: You entered a product key that can't be used to activate Windows. Enter a different product key or buy a new product key. You upgraded to Windows10, but the activation servers were busy. If you upgraded from an activated copy of Windows7or Windows8.1, your copy of Windows10will be automatically activated, or you can wait a while and then select Activate. If you continue to have problems with activation, contactcustomer support. You upgraded to Windows10using the free upgrade offer, but Windows10isn't activated after a reinstall. Your copy of Windows10should automatically be activated as long as you didn't make any significant hardware changes to your device (such as replacing the motherboard). If you continue to have problems with activation, contact customer support.
0xC004C003	You may see this error becausethe Windows 10 product key you enteredisn’tvalid.Product keys are unique—assigned to a specific user to install on a single device.Ifakey was used(or attempted to be used)on multiple devices, it’s marked as not valid.To activate Windows, you’llneed to provide a different Windows key unique to your device. If youbought a device from areseller of Windows 10and expected the key to be valid, contact the reseller.If your device was purchased with Windows 10preinstalled and you received thisactivationerrorupon turning it on for thefirsttime,contactyour device manufacturer. If your experience with your device is different from those listed above,trythe following: Run the Windows 10 Activation Troubleshooter: Select Start > Settings > Update & Security> Activation and then selectTroubleshoot. Open Activation settings Check to see if you have a paper copy of your Windows 25-character product key you can enter to activate Windows 10. If your device was recently repaired at an independent repair facility, contact them to see if the repairsrequire a new Windows 10 license. If the device is new and has never been activated,contact your device manufacturer.
0xC004F034	You might see this error if you entered an invalid product key or a product key for a different version of Windows. Enter a valid product key that matches the version and edition of Windows 10 installed on your device. If Windows is installed on a device that connects to a Key Management Service (KMS) server, contact your organization's support person for more info about how to activate Windows.
0xC004F210	You might see this error if you entered a product key for a different edition of Windows than the edition installed on your device. You might also see this error if you previously upgraded to Windows10, butthe current edition of Windows installed on your device doesn't match the edition of your digital license. You can either enter a valid product key that matches the edition of Windows installed on your device or reinstall the edition of Windows10that matches your digital license. If your device is running Windows 10 (Version 1607 or later),the Activation troubleshooter can help you install the correct edition of Windows on your device. For more info, see Using the Activation troubleshooter.
0xC004E016, 0xC004F210	You might see this error if you entered a product key for a different version or edition of Windows. For example, a product key for the Enterprise edition of Windows10can't be used to activate Windows10Home or Windows10Core editions. Enter a product key that matches the version and edition of Windows installed on your device or buy a new copy of Windows from the Microsoft Store.
0xC004FC03	You might see this error if you're not connected to the internet or your firewall settings are preventing Windows from completing the activation process online. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating. If you're still having problems, try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. Note:If you're running Windows 10 Pro EDU or Windows 10 Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 can't be used. SeeHow to activate Windows 10 Pro for Workstations and Windows 10 Pro EDU.
0xC004E028	You might see this error if you try to activate a device that is already in the process of activation. Your device should be activated after the first request is completed.
0x8007267C	You might see this error if you’re not connected to the internet or the activation server is temporarily unavailable. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating.
0xD0000272, 0xC0000272, 0xc004C012, 0xC004C013, 0xC004C014	If the activation server is temporarily unavailable, your copy of Windows will automatically be activated when the service comes back online.
0xC004C008, 0xC004C770, 0x803FA071	You might see this error if the product key has already been used on another device, or it's being used on more devices than the Microsoft Software License Terms allow. To fix the problem, buy a product key for each one of your devices to activate Windows on them. If you’re using Windows10, you can buy Windows from the Microsoft Store: Select Start > Settings > Update & Security > Activation . Select Go to Microsoft Store, then follow the instructions to buy Windows10. Open Activation settings Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person. If you made asubstantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key,try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. For more info about reactivating Windows 10 (Version 1607 or later) after a hardware change, see ReactivatingWindows after a hardware change. If you're running Windows 10 Pro EDU or Windows 10 Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 can't be used. Learn more about Windows 11Pro EDU or Windows 11Pro for Workstations.
0xC004F00F	You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 10 Home or Windows 10 Pro. Enter a product key that matches the edition of Windows on your device.
0xC004C020	This error occurs when a Volume License (a license that was bought from Microsoft by an organization to install Windows on multiple devices) was used on more devices than the Microsoft Software License Terms allow. To fix the problem, you might need to use a different product key to activate Windows on your device. Contact your organization's support person for more info.
0x8007232B, 0xC004F074, 0xC004F038, 0x8007007B	You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows10Home or Windows10Pro. Try entering a product key that matches the edition of Windows on your device. Or, you might see this error if you're trying to activate your work device but aren't connected to your workplace's network. If you're connected to your work network and still see this error, you might need to change the network settings. Contact your organization's support person for more info. If your organization doesn't have a support person, you might need to enter your product key again: Select Start > Settings > Update & Security > Activation . Select Change product key, and then type your 25-character product key. Open Activation settings You might be asked for an admin password or to confirm your choice.
0x80072F8F	You might see this error if the date and time for the device is incorrect, or Windows has trouble connecting to the online activation service and can't verify your product key. To verify the date and time, select Start > Settings > Time & language > Date & time. Verify date and time in Settings To check your internet connection: In the search box on the taskbar, type network troubleshooter, then select Identify and repair network problems from the list of results. Follow the instructions to fix any problems with the network. If the network troubleshooter didn't find any problems with your network connection, try restarting your device to see if that fixes the problem.
0xC004E003	You might see this error after installing third-party software that changed system files. Windows activation needs certain system files to complete activation. You can try to restore the system files back to an earlier point in time. This removes any software you installed after that point in time without affecting your personal files. For more info, see the section about how to restore from a system restore point in Recovery options in Windows.
0x80004005	Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter.For more info about the troubleshooter, see Using the Activation troubleshooter. Open Activation settings If this doesn't work, you might need to reset your device. For more info, see the section in Recovery options in Windows.
0x87e10bc6	An error occurred with our activation server or licensing service. Please wait a few minutes and then try the following Windows 10 Pro License Recovery steps: Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter. Open Activation settings When the troubleshooter is complete, select Go to Microsoft Store to launch the Microsoft Store app. If the Microsoft Store app shows there was a problem, select Try again. After a few minutes, you should see a message that thanking you for activating genuine Windows, followed by another message showing that Windows was activated. For more info about the troubleshooter, see Using the Activation troubleshooter.
0x80070652	This error can occur if the update components are missing or corrupted on the computer. This error might also occur due to poor network connectivity received by the system. Use theWindows update troubleshooter to check for the corrupted or missing updates or components. Running the troubleshooter will help findand in some cases fixthe issue. Also, check the strength of your internet connection.
All other error codes	Go to Windows Help, enter the error code in the Search for Help box at the top-right, and run the search. Browse through the search results carefully to make sure you try only those that apply to your situation.