Activate Windows 10 | Tutorials - Ten Forums If you install this build of the Windows 10 Insider Preview on a PC and it doesn’t automatically activate, you can enter the product key from Windows 7, Windows 8 or Windows 8 1 used to activate the prior Windows version on the same device to activate Windows 10 by going to Settings > Update security > Activation and selecting Change
Use Activation Troubleshooter in Windows 10 | Tutorials - Ten Forums For example – if your device has a digital license (formerly called “digital entitlement”) for Windows 10 Pro from a previously installed activated Windows 10 build but you accidentally re-installed Windows 10 Home on such a device, the troubleshooter will automatically guide you through upgrading to Windows 10 Pro and activate Windows