Windows 8.1 build 9478

6.3.9478.0.winblue_rtm.130804-1505
Build of Windows 8.1
6.3.9478.0.winblue_rtm.130804-1505
OS family
ArchitectureARM32
Compiled2013-08-04
Timebomb2014-01-15 (+164 days)
Works in
SKUs
CoreARM

Windows 8.1 build 9478 is an unleaked build of Windows 8.1. It is known that this build exists in the ARM32 architecture. Five screenshots of it were found on the Chinese website BetaWorld. American English version of this build was supposedly uploaded to the Chinese website BetaWorld on 26 October 2019. The Spanish and French versions of this build was supposedly uploaded to the aforementioned website on 27 October 2019,[1] but at the moment this cannot be confirmed or refuted as it is not publicly available. The Russian website PC Portal has also shown a screenshot with the build tag of this build.[2][3][4] This build is confirmed by a WinJS 2.0 string which originates from the Windows Store infrastructure.

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