Windows 8 build 7871, and the two P's

Опубликовано: 21 Май 2026
на канале: Phantom's Windows Beta explorations
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We have even more Windows 8 leaks - here's build 7871!

This build includes the beginnings of some new features, notably "two Ps" - Protogon (ReFS) and Pattern logon. It includes an early version of the Metro UI with the Start screen and Charms bar (mostly the same as in Milestone 1 - changes would start making their way in soon after this build was compiled).

The redesigned Disk Cleanup tool, which was still present in build 7851, had been removed by this point. In this video I also cover other changes made since Windows 7, including things I haven't taken a look at on the channel yet.

Build string: 6.2.7871.0 (fbl_grfx_dev1.101027-1700)
More information: https://betawiki.net/wiki/Windows_8_b...
ISO:

Timestamps:
0:00 Logging in
0:14 Desktop - Windows 7 branding still present
0:53 Protogon (ReFS) file system
1:31 Language profile Control Panel page
2:12 Windows Classic can no longer be applied + updated Aero Lite visual style
3:00 User tile in the system tray
3:10 Explorer changes from M1
3:39 (Redpill) Login screen with desktop background syncing
3:52 (Redpill) Start screen and search pane
4:36 (Redpill) Metro Horizon (customizable)
5:03 (Redpill) Charms bar
5:27 (Redpill) Pattern logon setup
6:18 (Redpill) Webcam app (now in full screen)
6:33 Redesigned Disk Cleanup removed
6:43 Outro

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