Windows 8 Release Preview reportedly ready, build 8400 May 20, 2012 by admin Tweet Microsoft has allegedly completed the Release Preview (release candidate) of Windows 8, with the build number 8400, well ahead of the OS’s launch, scheduled for the first week of June. Read more… Neowin Related Posts:Windows 11 (Original Release) Release Preview Build…Windows 11 (original release) gets new Release…Windows 11 (original release) Insider Release…Windows 11 Insider Release Preview build 22621.1926…Windows 11 Release Preview build 22000.706 brings…