Windows 8.1 build 9319 (winmain)

6.3.9319.0.winmain.130208-1820
Build of Windows 8.1
OS familyWindows NT
Version number6.3
Build number9319
Build revision0
Build labwinmain
Compiled on2013-02-08

Windows 8.1 build 9319 (winmain) is a build of Windows 8.1. The build was confirmed on 14 December 2013 through WinJS version strings present within the Windows Store infrastructure under the proper application GUID.[1][2][3] It is the earliest known build of Windows 8.1 to update the kernel version to 6.3.

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