Depending on how you got your copy of Windows 10, activation will use either a digital entitlement or a 25-character product key.ĭigital entitlement is a new method of activation in Windows 10 that doesn't require you to enter a product key.
Activate Windows 10 Using Windows 7, 8 or 8.1 Product KeyĪctivation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow.
