Starting in the 1990s, Windows NT ushered in a new architecture that has been carried forward more or less intact ever since. Current client version of Windows. Windows is a 64-bit OS and runs ...

Available in client and server versions, Windows NT included built-in networking and preemptive multitasking. NT was introduced in 1993 as Version 3.1 with the same user interface as Windows 3.1 ...