Windows 8 build 7899

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Build of Windows 8
OS family
Timebomb2011-07-01 (+204 days)
Works in
TCB.png TCBGallery.png

Windows 8 build 7899 is a build of Windows 8. Two screenshots of this build were leaked in a folder included with the leak of build 7746 on 3 May 2020, and the build itself was eventually leaked on 19 July 2020. This is the last leaked build to contain the blue-green gradient background present since build 7788. It would be later replaced with a plain green wallpaper featuring a wordoku puzzle in build 7927.

General changes[edit | edit source]

  • Unlike build 7880, the text on the boot screen is condensed.

Editions and keys[edit | edit source]

Edition / SKU Name Key
Home Premium RHPQ2-RMFJH-74XYM-BH4JX-XM76F
Professional HYF8J-CVRMY-CM74G-RPHKF-PW487

Redpill[edit | edit source]

Many changes have occurred since build 7880. Accents and backgrounds have been implemented, accessible using a registry key. The Start screen now has multiple views - while this is hinted at in 7880 by the existence of a "Move to Other View" option found while right-clicking on the Start screen tiles, it is unimplemented. This other view is an "Other Programs" view containing all installed programs. As a result of this, there are far less applications in the default Start screen view. Animations have been implemented. Tile colors have been changed to be more uniform. A user tile is now located at the top of the screen filled with the user's profile picture (replacing the Search button, which was not seen again on the Start screen until Windows 8.1 Update 1 in 2014), as well as a volume icon. To replace the Metro Horizon (removed, although not entirely so, in build 7880), a Desktop tile has been introduced. Clicking it brings the user back to the classic Windows desktop.

There have also been an immense amount of changes outside of the Start screen. An ImmersiveSettings app has been introduced, the ancestor of PC Settings, and several apps have been redesigned to fully use WinRT. Auto Colorization is no longer enabled by default on the Aero theme. ImmersiveBrowser, or IE Metro mode, has also been implemented. Advanced Task Manager, a more advanced version of Task Manager, has been implemented as well. The Metro OOBE also had a major overhaul. The login screen was updated and pattern login now works. The Metro downspace has been dropped in favor of the snap function.

Start screen accent[edit | edit source]

To get the Start screen accent, open Registry Editor, head to HKLM\SOFTWARE\Microsoft\Windows\, create a new key called DWM, make a DWORD called EnableAccent and set its value to 1. Afterwards, log off and then log back on again.

Removable media prompt[edit | edit source]

The removable media prompt has been revamped as well, using the new Metro design. It mostly consists of the same actions as the previous removable media prompt used in earlier builds of Windows 7.

Immersive apps[edit | edit source]

  • Immersive Browser: C:\Program Files\Microsoft\Immersive Browser\Microsoft.ImmersiveBrowser\miexplore.exe.
  • Immersive Reader: C:\Windows\System32\glcnd.exe.
  • Metro Control Panel: C:\Windows\System32\SystemSettings.exe.
  • Webcam Application: C:\Windows\System32\webcam.exe.

Bugs and quirks[edit | edit source]

  • The messages shown when the Setup is starting or restarting the computer are cut off.

Arial[edit | edit source]

  • This build uses the Arial font for the title bar and watermark because of a typo in the aero.msstyles and aerolite.msstyles files.

Start screen[edit | edit source]

  • Due to issues with the Start screen's accent, there will be rendering issues when using EnableAccent.
  • The Start screen may be unresponsive for a minute after login.

Login sound[edit | edit source]

Upon logging in, the login sound will play three times instead of once.

Aero Glass on the Home Basic SKU[edit | edit source]

The Home Basic SKU doesn't support Aero Glass borders by default, but it can be enabled, like in build 7880, by clicking on "Windows 7 Standard" color scheme in Window Color and Appearance dialog from the Display control panel item.

Upgrading[edit | edit source]

  • To start the upgrade process, you must use setup.exe in the sources folder, or else setup will say A problem occurred.

Gallery[edit | edit source]

Images prior to the leak[edit | edit source]