A lot of consumers upgraded from Windows 7 or Windows 8.1 to Windows 10 or Windows ... you may need to follow the steps to activate it again. If you do find the key, create an installation media ...

If you have a regular product key for Windows, you can activate it using the Settings app. If you made a change to your PC or ...

Activate Windows now Running a non-genuine copy of Windows can put you at greater risk from viruses and other security threats. Go to the Store to buy genuine Windows or enter a product key.