In the case, you recently made significant hardware changes to your PC, and Windows 10 won't activate, you can use the Activation Troubleshooter to re-activate your copy of Windows 10.Īlthough this guide is specific to Windows 10, the Control Panel, slui.exe, and slmgr.vbs methods that we're showing you here will work to change the product key on Windows 8.1 or Windows 7.
If you're trying to upgrade the operating system by purchasing a new license from the Windows Store, everything regarding the product key will be handled automatically for you.Īlso, remember that you must be signed in with an administrator account to change your system's product key, and you'll need an internet connection to complete the activation. While for the most part, you'll be using the Settings app to change the product key on Windows 10, if the option isn't available or if you're looking to create a script to change the product key on your computer, it's good to have different alternatives. If the activation process completes successfully, you'll get the "Windows is activated" message.Īlternatively, you can use change the product key using changepk.exe using the Command Prompt as well.
How to change Windows 10's product key using CHANGEPK If the activation process completes successfully, you'll get the "Windows is activated" message. Type the 25-digit product key for the version of Windows 10 you want. Type slui.exe 3 and click OK to open the Windows activation client.Use the Windows key + R keyboard shortcut to open the Run command.If you typed the product key correctly and the process completes successfully, you'll see a dialog box reading "Installed product key YOURP-RODUC-TKEYX-XXXXX-XXXXX successfully." How to change Windows 10's product key using SLUI 3 Type the following command using your 25-digit product key and press Enter: Right-click the result and select Run as administrator.How to change Windows 10's product key using Command Prompt Similar to the Settings app, if the activation process completes successfully, you'll get the "Windows is activated" message. After that upgrade, that key is not upgraded itself so that it will work on Windows 10 clean installs.
If you bought a full version Windows 10 Pro license through the store:Ī: Your Product Key will be provided with your purchase. The license is attached to your Microsoft Account.Īnytime you reinstall Windows 10 and if you are downgraded to Windows 10 Home, you will have a Digital Entitlement you can retrieve by using the Activation Troubleshooter.
If you purchased a Windows 10 Pro upgrade from Start > Settings > Update & security > Activation > Go to Store then you won't have a product key.