Windows NT 4.0 build 1209

4.0.1209.1
Build of Windows NT 4.0
OS familyWindows NT
Version number4.0
Build number1209
Build revision1
Architecturex86

Windows NT 4.0 build 1209 is an unleaked build of Windows NT 4.0 that is mentioned in an article titled To SUR, With Love: Important Stuff To Know About the Windows NT Shell Update Release which can be found on the Microsoft BackOffice Information CD, Prepared For Microsoft Exchange Server Launch CD.

Using GetVersion to Determine to Operating System Version

Let's say that you still want to call GetVersion. What should you do? If you are running Windows NT SUR build 1209, you will see the following:

* HIWORD(ReturnVal) = 1209 // the build number
* LOBYTE(LOWORD(ReturnVal)) = 4
* HIBYTE(LOWORD(ReturnVal)) = 0