Windows Installer 2.0 Redistributable for Windows NT 4.0 and 2000
http://www.microsoft.com/downloads/details.aspx?familyid=4b6140f9-2d36-4977-8fa1-6f8a0f5dca8f&displaylang=en#filelist
http://download.microsoft.com/download/windowsinstaller/install/2.0/nt45/en-us/instmsiw.exe
Is for NT / 2000 Windows NT Version 4 SP6 and Windows 2000