Correct option is B
The first version of Windows NT was Windows NT 3.1, released on July 27, 1993. It was Microsoft's first 32-bit operating system and was designed for corporate workstations and servers.
The first version of Windows NT was Windows NT 3.1, released on July 27, 1993. It was Microsoft's first 32-bit operating system and was designed for corporate workstations and servers.