Windows 8/6.2.7989.0.winmain.110421-1825

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Windows 8 7989.png
6.2.7989.0.winmain.110421-1825
Kernel version NT 6.2
CPU architecture x86, x64
Edition Ultimate
BIOS date April 22, 2011
TCB No key required

Windows 8 build 7989 (with a buildtag of 6.2.7989.0.winmain.110421-1825) is a Milestone 3 build of Windows 8. This build was leaked on June 18, 2011 in the x64 architecture, and on February 8, 2020 as an x86 debug build.

Features

  • Aero Lite
  • Default wallpaper changes
  • MS Help (depending on the build it may need to be installed by running installappx C:\windows\mshelp)
  • Metro login screen
  • Metro Out-of-Box Experience
  • Immersive Browser
  • Immersive Control Panel
  • Immersive PDF reader (though isn't functional)

Bugs

User Tile

The User Tile may be buggy until you patch twinui.dll.

DWM

DWM may become unstable when switching between high contrast themes multiple times every couple seconds.

EFI

The x64 version of this build doesn't support hardware with EFI, due to the Windows Preinstallation Environment being from an x86 Windows 7 RTM build. To attempt to solve this issue, copy the build's install.wim into an x64 Windows 7 Preinstallation Environment, or deply the image using DISM. This patch however does not work for all UEFI configurations.

Start screen

  • After enabling redpill, the start screen may appear empty.
  • There is an option of "uninstalling" the desktop from the start screen. However, pressing uninstall does nothing.