Windows NT 3.1 [3.1.511]

The first professional operating system and at the same time the first 32 bit Windows. It was only for high end systems! Introduction of multi-processor support and NTFS file system. There was a workstation and a server version of advanced (to control and manage the workstations). NT is based not on DOS! No. 3 is the last service pack.

Minimum system: 386 25 MHz (486 33 MHz recomm.), 12 MB (16 MB received.)RAM 75 MB hard disk