The easiest way to determine your installed edition and version is Start / Run / Winmsd / OK.

In Windows 2000, view the System Summary. In Windows NT, view the Version tab.

The released build of Windows NT 4.0 is 1381.

The released build of Windows 2000 is 2195.

NOTE: You can run WinMSD and MSInfo32 in batch.

NOTE: See tip 3456.