Microsoft ShopAll Microsoft Products License Key In One Place Filters Reset all × Project MAK × Upgrade × Windows 11 × Windows 8.1 × Categories Windows (12) Volume License (1) See more See less Product Version Windows 8.1 (2) Upgrade (3) Project MAK (1) Windows 11 (9) See more See less Product EditionSelect Categories first See more See less License Term Lifetime / Reusable (2) Lifetime / Onetime (10) License Type Retail (11) MAK (1) OEM (2) Platform Supported Windows (12) Users Supported - Select Users Supported -1 User (11)1000 User (1)20 User (2)5 Users (1)50 Users (1)500 Users (1) Devices Supported - Select Devices Supported -1 Device (11)1000 Device (1)20 Device (2)5 Devices (1)50 Devices (1)500 Devices (1) Show (13) Cancel Filtered (13) Reset all × Project MAK × Upgrade × Windows 11 × Windows 8.1 × Project MAK 200.00 $ Buy Now →