Officially, that free offer ended on . For years, Microsoft said the loophole was closed.
Keys from large corporate Volume Licensing agreements (KMS/MAK) or MSDN subscriptions for this consumer upgrade. You need a genuine retail or OEM key for Windows 7 Home, Pro, or Ultimate. can i use windows 7 key for windows 10
Here is the surprising truth: Even today, you can perform a clean installation of Windows 10 and activate it using a valid Windows 7, 8, or 8.1 product key. Officially, that free offer ended on