Usually, you'd activate Windows 11 (or 10) using the Settings app to enter the product key. However, if you're in an ...

When you have not bought a genuine copy of Windows 10, sometimes, the system will flash a message ‘Activate Windows’. There are some simple ways in which you can activate your Windows 10.

Depending on how you’ve received your copy of Windows, you will require a 25-character product key or a digital license to activate it. You won’t be able to activate it without one of these.