Windows Vista/5.2.3790.1232.winmain.040819-1629

Windows "Vista" Build 3790 (Basically: Windows Server 2003 rebranded)

This build of Windows "Vista" was the first build to Vista to be compiled, which was compiled right after the Longhorn development reset. A very select few have seen this build outside Microsoft, and a smaller select few have this build, outside of Microsoft.