Luckily, there’s a free utility called If you’re encountering product activation issues, once you use Show Key Plus to find your original product key, you can use it to update the product key values in Windows 10.
Copy the product key and go to button and paste it in. You can also use Show Key Plus to find your product key from a Windows Backup, and also to verify which edition your product key is associated with using the Based on the Caribbean Island of Jamaica, Andre is a Microsoft MVP since 2010 and a certified computer technician.
With build 10586, this is not as clearly defined since all upgrades to the November Update are automatically defined as from a retail channel.
In regards to troubleshooting issues with product activation, this adds a bit of complication since PCs that qualify for the upgrade, in particular, retail licenses, will use a default product key used by Windows 10 Home and Pro.
If you visit that page on a Windows machine, it’ll redirect you to the download tool page instead.
Just begin the installation process and install Windows 10 like you normally would.
If you wish to change your product key in Windows 7, click the Start button Right-click Computer, and then select Properties. Under Windows activation, click on Change product key.
Follow the instructions to change your product key and activate your copy of Windows 7. Follow these steps to change your product key in Windows 8. You can also change Windows product key by typing the following in an elevated command prompt and hitting Enter: Windows Activation.
Once activated, you may wish to view the Licensing Status and Activation ID of your Windows OS with
Open the System properties applet in the Control Panel of Windows 8; Control Panel\System and Security\System. If you have not entered your Product License Key and/or not activated your copy of Window 8, you will see a note to this effect in the Action Center.
You may also open the Win X menu and select System. Click on the link to enter your License Key and Activate it. You can also type -ato in the elevated CMD to activate your copy of Windows.
One improvement introduced with the November Update is the ability to use your Retail or OEM product key to activate Windows 10.
The problem is when you upgrade to Windows 10, especially from Windows 8, and you encounter glitches with product activation, you normally don’t have a product key.
You may for some reason need to change your Windows product license key – maybe you want to upgrade your copy of Windows to a higher version or maybe you want to change the default setup product key to a Multiple Activation Key.