Microsoft ShopAll Microsoft Products License Key In One Place Filters Reset all × Upgrade × Windows 8.1 × Windows Server 2025 × Enterprise E5 × Professional × RDS CALs × Standard × Lifetime / Onetime × Categories Windows (4) Windows server (2) See more See less Product Version Windows 8.1 (2) Upgrade (3) Windows Server 2025 (2) See more See less Product Edition Professional (4) Standard (2) See more See less License Term Lifetime / Onetime (6) License Type Retail (6) Platform Supported Windows (4) Windows Server (2) Users Supported - Select Users Supported -1 User (6) Devices Supported - Select Devices Supported -1 Device (6) Show (6) Cancel Filtered (6) Reset all × Upgrade × Windows 8.1 × Windows Server 2025 × Enterprise E5 × Professional × RDS CALs × Standard × Lifetime / Onetime × 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 → Microsoft Windows 8.1 Pro 5.00 $ Buy Now → Windows Server 2025 Standard 10.00 $ Buy Now → Windows Server 2025 Standard (16 Core / 32 Core / 64 core / 96 Core) 220.00 $ – 1,200.00 $ Buy Now →
