Upgrades to Windows 11 from Windows 10 are still free. Although old Windows 7 and 8 keys can still activate Windows 11 ... rejected a Windows 7 key. If you plan to build a PC or buy one without ...

Microsoft has confirmed that users can no longer use old Windows 7, 8, and 8.1 ... 11 is still a free upgrade from Windows 10, license keys for the latter can still activate Windows 11.

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.