: If you previously had Windows 7, 8, or 10 on your device, the license is often tied to your hardware or Microsoft account. Windows may auto-activate once you sign in.
How to activate Windows for free or at a low cost? - Facebook : If you previously had Windows 7, 8,
: You can enter a genuine product key by going to Settings > Update & Security > Activation > Change product key . or 10 on your device
Instead of using risky third-party software, you can use these official and safer methods to activate or use Windows 10: 1. Official Microsoft Methods : If you previously had Windows 7, 8,