Windows 10 build 9650

6.3.9650.0.fbl_sid_auth.131021-1730
Build of Windows 10
Screenshot
OS familyWindows NT
Version number6.3
Build number9650
Build revision0
Build labfbl_sid_auth
Compiled on2013-10-21

Windows 10 build 9650 is the earliest known build of Windows 10. It was mentioned in the release notes for Symantec Endpoint Protection 12.1.4, where it is stated that a bug related to Windows Defender was fixed in this build.[1]

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