Windows 8.1 build 9471

Build of Windows 8.1
OS familyWindows NT
Version number6.3
Build number9471
Architecturex64, ARM32
Build labfbl_partner_out30
Compiled on2013-07-26
Expiration date
Timebomb2014-01-15 (+173 days)
About dialog
9471 winver.png
TCB.png TCBGallery.png

Windows 8.1 build 9471 is a pre-RTM build of Windows 8.1, which was originally shared on in the x64 architecture on 12 August 2013. The ARM32 architecture compile of this build was found by BetaWorld user Cghvbnv22 on 12 August 2018[1] and then was later uploaded to BetaArchive on 25 January 2019. This is the last build to use the Windows 8.1 preview store.

Editions and keys[edit | edit source]

Edition / SKU Name Key
Professional NTTX3-RV7VB-T7X7F-WQYYY-9Y92F

Changes[edit | edit source]

  • Internet Explorer no longer prompts to open Developer Tools if F12 is pressed.
  • It is no longer possible to re-enable the legacy F12 tools in Internet Explorer.

Findings[edit | edit source]

SkyDrive[edit | edit source]

All of the SkyDrivePagesTest pages from build 9431 are still present in this build and seem to work more or less the same.

  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\CameraRollDisabled
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\DisabledState
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\IsDomainAccount
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\SkyDriveTest
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\MSAInterruptState
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\TotalSize
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\DisabledState
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\OtherSize
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\BackupSize
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\FileSize
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SkyDrivePagesTest\ErrorState

However, the SkyDriveOptIn key is no longer called, even though OptInChoice has a default value of 2.

Lock screen slideshow[edit | edit source]

This build has most of the registry settings of the previous builds and some new ones.

  • HKCU\Software\Microsoft\Windows\CurrentVersion\Lock Screen\SlideshowDebug
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Lock Screen\SlideshowRegionMaxCrop
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Lock Screen\SlideshowRegionMinSize
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Lock Screen\SlideshowOverscale

Bugs and quirks[edit | edit source]

  • The Microsoft Confidential may appear to the left of its usual location on secondary monitors.

Gallery[edit | edit source]

x64 build[edit | edit source]

ARM32 build[edit | edit source] screenshots[edit | edit source]

PCPortal screenshot[edit | edit source]

References[edit | edit source]