Windows Server 2025.26100.1742-oemret-x64fre-en... Jun 2026

This build serves as the or "Release to Manufacturing" (RTM) version of Windows Server 2025. It is the first server OS based on the Windows 11 (version 24H2) codebase, moving away from the Windows 10 foundation used in previous versions (2016–2022). Release Date: November 1, 2024.

For those tracking the latest releases, the ISO is making the rounds. Windows Server 2025.26100.1742-OEMRET-x64FRE-en-US.iso Windows Server 2025.26100.1742-OEMRET-x64FRE-en...

: Mainstream support for Windows Server 2025 extends until November 13, 2029 , with extended support until November 14, 2034 . This build serves as the or "Release to

Before writing a long article, it is important to clarify: For those tracking the latest releases, the ISO

is a legitimate but pre-release OEM recovery image intended for hardware partners. It is not suitable for production environments. Organizations planning for Windows Server 2025 should track the official LTSC release timeline and use official preview ISOs from the Windows Insider for Server program for testing.