Buy Windows Server Keys - Standard, Datacenter, Essentials | KeysLocker
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Windows Server

Buy genuine Windows Server license keys for your business infrastructure. Standard edition with 2 VMs for small businesses, Datacenter for unlimited virtualization, or Essentials for offices up to 25 users. Also available: Remote Desktop Services (RDS) CALs for 50 users or devices, and Microsoft SQL Server Standard keys. All editions from Server 2016 through Server 2025, activating on official Microsoft servers with instant delivery from KeysLocker.

Buy Windows Server & CAL Keys

License your infrastructure the genuine, affordable way. Keys Locker supplies keys for Windows Server 2025, 2022, 2019 and 2016 — Standard and Datacenter — plus the User and Device CALs and RDS CALs you need to stay properly licensed. Every key activates on Microsoft's servers and is delivered by email within minutes.

Standard vs Datacenter

Standard suits physical or lightly-virtualized workloads (it includes rights for two virtual machines). Datacenter is built for highly-virtualized and private-cloud environments, granting unlimited VMs on the licensed hardware plus advanced features like Storage Spaces Direct and Software-Defined Networking.

Don't forget your CALs

Windows Server needs a Client Access License for every user or device that connects. Choose User CALs when people connect from several devices, or Device CALs for shared machines used by many people. For Remote Desktop, you'll also need RDS CALs. We stock them in convenient packs so you can license your whole environment in one order.

Genuine keys, instant delivery, and expert activation support — with a full activation guarantee on every purchase.

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