Microsoft has published the official Release to Manufacturing (RTM) ISO media for Windows 11 version 25H2. The build, identified as 26200.6584, is now accessible directly from Microsoft’s servers. This marks the final stage of development before general availability.
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The Redmond software giant has finished its work on the OS, so that's why the ISO files are now stored on the servers. Despite Microsoft didn't announce them openly, the files are genuine media files that you can use for clean installation and upgrades.
The RTM ISOs are available in 38 languages, supporting a broad international rollout. Users can select their preferred language and architecture for download. Two versions of the ISO are provided:
- x64: For Intel and AMD-based systems.
- Arm64: For devices powered by Snapdragon processors.
Each edition includes Home, Pro, and Education variants. Average file sizes stand at approximately 7 GB for x64 and slightly under 7 GB for Arm64.
Release Status and Deployment
The RTM build is designated for pre-installation on new hardware by OEMs. As said, Microsoft has not yet announced the public general availability date, but the release is imminent. Organizations and users may now begin deployment planning using the official media.
Feature Overview
Windows 11 version 25H2 introduces no new features compared to version 24H2. Both versions share identical servicing and pipeline channels. As a result, feature parity ensures consistent performance, compatibility, and stability across releases.
Support Lifecycle Update
Upgrading to version 25H2 resets Microsoft’s support lifecycle clock. This release will receive security updates and bug fixes for 24 months from its general availability date. In contrast, version 24H2 is already one year into its support cycle.
Download Windows 11 Version 25H2 RTM ISO
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