Windows 8.1 build 9478

6.3.9478.0.winblue_rtm.130804-1505
Build of Windows 8.1
OS familyWindows NT
Version number6.3
Build number9478
Build revision0
ArchitectureARM32
Build labwinblue_rtm
Compiled on2013-08-04
Expiration date
Timebomb2014-01-15 (+164 days)
SKUs
CoreARM

Windows 8.1 build 9478 is a build of Windows 8.1. Five screenshots of it were found on the Chinese website BetaWorld. Surface 2 recovery image version of this build was uploaded to the aforementioned website on 26 October 2019,[1] and was later shared on 23 October 2024. 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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Images uploaded prior to publication[edit | edit source]

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