Windows 10 build 18921

10.0.18921.1000
Build of Windows 10 May 2020 Update
OS familyWindows 10 (NT 10.0)
Version number10.0
Build number18921
Build revision1000

Windows 10 build 18921 is an unleaked build of Windows 10 May 2020 Update. An issue related to this build were posted to GitHub by a Microsoft employee on 6 August 2019.[1]

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