Windows 8 build 7788

Windows 8 build 7788 is a Milestone 1 build of Windows 8. A screenshot was leaked to the BetaWiki Discord on 2020-05-05, but the image was deleted soon afterwards. This build is the first known build to have the Modern Task Manager, the Modern Reader, the Ribbon Explorer and the 7850 wallpaper. If this is a real build, it might be the first build to reintroduce centered title bars which was first introduced in Windows 1.01 - Windows for Workgroups 3.11, Windows NT 3.1 - 3.51 and Windows Longhorn build 3683 - 4005.