Winnt32.exe

If upgrading from Windows NT 4.0, you must have Service Pack 5 or later installed before running this utility.

If you ever find an old Windows NT CD, do not run WINNT32.EXE for fun on a modern PC. Use a virtual machine. Your boot sector will thank you. WINNT32.EXE

: Administrators use it with specific switches (like /unattend ) to automate the installation process across many computers. Typical File Location If upgrading from Windows NT 4