Windows Vista build 5019

6.0.5019
Build of Windows Vista
Screenshot
Mention on build 5048's setup
OS familyWindows NT
Version number6.0
Build number5019

Windows Vista build 5019 is a pre-Beta 1 build of Windows Vista, which is referenced in build 5048's setup. In particular, it notes that the user can only upgrade if running build 5019 or higher.