Windows NT 3.5 build 622

Windows NT 3.5 build 622 is an unleaked build of Windows NT 3.5, mentioned in files  and   from the Windows NT 4.0 source code. It is also mentioned in  from the Windows 2000 source code.

// Revision numbers // //     The first release of NT (NT1.0) didn't explicitly store //     a revision number. However, we are designating that release //     to be revision 0x00010000 (1.0). NT1.0A is being designated //     as revision 0x00010002 (1.2). Previous to build 622 is revision //     0x00010001 (1.1).

// This is the structure used in Daytona through build 622 or so, and // is preserved for backwards compatibility.

//     NT 3.0 didn't explicitly store a revision number. //         However, we are designating that release to be revision 0x00010000 (1.0). //     NT 3.5 prior to build 622 is revision 0x00010001 (1.1). //     NT 3.5 is revision 0x00010002 (1.2). //     NT 4.0 SP 4 is revision 0x00010003 (1.3) //     NT 5.0 build 2054+ is revision 0x00010004 (1.4) //