Windows 10 build 19621

10.0.19621
Build of Manganese
OS familyWindows 10 (NT 10.0)
Version number10.0
Build number19621

Windows 10 build 19621 is a build of Manganese, the 20H2 development semester of Windows as a service. An issue related to this build was posted to GitHub by a Microsoft employee on 23 June 2020.[1]

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