Windows Vista build 5219 (winmain idx02.050824-2010)

Windows Vista build 5219 (with a build tag of 5219.winmain_idx02.050824-2010) is an unleaked pre-Beta 2 build of Windows Vista. This build was demonstrated at PDC 2005. Some images of this build were released from Japanese technology news site PC Watch. As of 2020, it remains unleaked.