Separated the OS into "executive" services and "user-mode" subsystems, ensuring that a crash in one application would not necessarily bring down the entire system. The Significance of the ISO Format
If you are hunting for a Windows NT 3.1 ISO to experience this relic in a virtual machine or on period-correct hardware, here is everything you need to know about the "New Technology" that changed computing history. The Significance of NT 3.1 windows nt 3.1 iso
Casual/shareable: "Windows NT 3.1 ISO — vintage Microsoft OS image (1993). Great for retro computing, emulation, and exploring early NT architecture." Separated the OS into "executive" services and "user-mode"