At 32MB, Windows NT 4.0 Service Pack 4 was released on October 22, 1999. It collected the latest fixes for Windows NT 4.0 Server and Windows NT 4.0 Workstation at the time. In addition, Service Pack 4 included the latest Year 2000 updates, as well as support for the Euro currency. SP4 also contained a number of new components, which added functionality to the Windows NT platform, including:

  • Security Enhancements
    • Security Configuration Manager
    • Remote Winsock

Windows NT 4.0 Service Pack List
Windows NT 4.0 Service Pack List: SP1 | SP2 | SP3 | SP4 | SP5 | SP6 | SP6a
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