👉 Win 2K was a series of Microsoft Windows operating systems designed for high-performance servers and workstations that were initially released in 1996. The series of operating systems included: Windows Server 2003, which was the first version to support Windows Server 2008 R2. Windows Server 2003 was a full-featured operating system designed for high-performance computing environments and includes features such as: - Resource pools - Virtual machine technology - Distributed computing - Auto-replication Microsoft also released Windows Server 2008, which is an upgrade to the original version, featuring improved security features, support for Microsoft's Active Directory, and enhanced performance. The name "Win 2K" likely refers to the initial release of these operating systems on November 19, 1996. The term "win2k" was used for this version.