Windows NT 3.1, released in 1993, was Microsoft’s first fully 32-bit operating system featuring improved stability, security, pre-emptive multitasking, and a new NTFS file system. It was designed to be portable across various CPU architectures, but its high memory requirements, limited driver support, and difficult setup hindered widespread adoption initially. Despite these drawbacks, Windows NT 3.1 laid the foundation for all future Microsoft operating systems and influenced the decline of proprietary Unix systems.
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