Windows NT 3.5 build 648

3.5.648.1
Build of Windows NT 3.5
OS familyWindows NT
Version number3.5
Build number648
Build revision1
Architecturex86

Windows NT 3.5 build 648 is an unleaked build of Windows NT 3.5, which was mentioned in the file FREBUILD.CMD from the Windows NT 3.5 build 782.1 source code.

:SYNTAX
@Echo Syntax:   FREBUILD Build#,   ie.   FREBUILD 648