nt4:
The `nt4` tag is used for the no longer supported Windows NT 4.0 version of the Microsoft Windows 32 bit operating system. Windows NT 4.0 is an older version of the Windows 32 bit line of operating systems (Windows NT 4.0, Windows 2000, Windows XP in chronological order) and is no longer supported by Microsoft. This tag is specifically for a question concerning Windows NT 4.0 operating system. It should not be used for any recent, supported Microsoft OS.