Microsoft ShopAll Microsoft Products License Key In One Place Filters Reset all × Microsoft 365 × Project 2021 × Windows 8.1 × Lifetime / Onetime × Windows × Categories Windows (2) Microsoft Project (2) See more See less Product Version Windows 8.1 (2) Project 2021 (2) See more See less Product EditionSelect Categories first See more See less License Term Lifetime / Onetime (4) 12 Months (4) License Type Retail (4) Platform Supported Windows (4) Users Supported - Select Users Supported -1 User (4) Devices Supported - Select Devices Supported -1 Device (4) Show (4) Cancel Filtered (4) Reset all × Microsoft 365 × Project 2021 × Windows 8.1 × Lifetime / Onetime × Windows × MICROSOFT PROJECT 2021 Professional 6.00 $ Buy Now → Project 2021 Standard 6.00 $ Buy Now → Windows 8.1 Upgrade to Windows 10 Professional 5.00 $ – 11.00 $ Buy Now → Microsoft Windows 8.1 Pro 5.00 $ Buy Now →