Windows 10 build 20204

10.0.20204.1000
Build of Iron
OS familyWindows 10 (NT 10.0)
Version number10.0
Build number20204
Build revision1000

Windows 10 build 20204 is a build of Iron, the 21H1 development semester of Windows as a service. An issue related to this build was posted to GitHub by a Microsoft employee on 13 January 2021.[1]

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