Microsoft ShopAll Microsoft Products License Key In One Place Filters Reset all × Upgrade × Windows MAK × Windows Server 2012 × Windows Server 2016 × Windows Server 2019 × Categories Windows (3) Windows server (17) Volume License (6) See more See less Product Version Windows Server 2019 (6) Windows Server 2016 (5) Windows Server 2012 (6) Upgrade (3) Windows MAK (6) See more See less Product EditionSelect Categories first See more See less License Term Lifetime / Onetime (20) License Type Retail (20) Platform Supported Windows (3) Windows Server (17) Users Supported - Select Users Supported -1 User (20)2 Users (13) Devices Supported - Select Devices Supported -1 Device (20)2 Devices (13) Show (26) Cancel Filtered (26) Reset all × Upgrade × Windows MAK × Windows Server 2012 × Windows Server 2016 × Windows Server 2019 × Windows 11 Home to Pro Upgrade Key 5.00 $ – 440.00 $ Buy Now → Windows 10 Home to Pro Upgrade Key 5.00 $ – 11.00 $ Buy Now → Windows 8.1 Upgrade to Windows 10 Professional 5.00 $ – 11.00 $ Buy Now →