From Microsoft:
Windows Vista An earlier version of Windows for the desktop. Released in late 2006 for businesses and early 2007 for consumers, Vista came in six versions (see Windows Vista versions).Numerous features were added, including improved security (see NGSCB) and greater support for digital rights management, but Vista required more memory than XP, typically 2GB. Microsoft Windows NT Workstation 10.0/6.4 – Windows 10 Microsoft Windows NT Workstation 6.3 – Windows 8.1 Microsoft Windows NT Workstation 6.2 – Windows 8. Windows NT 4.0 Service Pack 6a (SP6a) resolves the SP6 issue with Lotus Notes and other Winsock based applications and provides the latest updates to Microsoft Windows NT Workstation 4.0. Windows NT 4.0 was the first release of Microsoft Windows to include DirectX as standard—version 2 shipped with the initial release of Windows NT 4.0, and version 3 was included with the release of Service Pack 3 in mid-1997. Later versions of DirectX were not released for Windows NT 4.0. The updated version is named Windows NT 4.0 Service Pack 6a. In addition to the problems resolved in Service Pack 6, Service Pack 6a includes: A resolution to the Winsock problem that prevents Lotus Notes and other Winsock-based programs from connecting to the server when a user does not have local administrator rights.
Windows NT 4.0 Service Pack 6a (SP6a) resolves the SP6 issue with Lotus Notes and other Winsock based applications and provides the latest updates to Microsoft Windows NT Workstation 4.0 and Windows NT Server 4.0 (including Enterprise Edition). Windows NT 4.0 SP6a contains known Year 2000 updates for Windows NT 4.0.
These Year 2000 updates are also available as separate Web downloads that you can apply to a Windows NT 4.0 Service Pack 4 system. Windows NT 4.0 SP6a is not a required upgrade for Year 2000; Microsoft recommends that each customer consult the Windows NT 4.0 SP6a documentation and then determine whether to deploy it. This version is the first release on CNET Download.com.
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Windows Nt 6.3.9600
From Microsoft:Windows NT 4.0 Service Pack 6a (SP6a) resolves the SP6 issue with Lotus Notes and other Winsock based applications and provides the latest updates to Microsoft Windows NT Workstation 4.0 and Windows NT Server 4.0 (including Enterprise Edition). Windows NT 4.0 SP6a contains known Year 2000 updates for Windows NT 4.0.
Windows Nt 6.4 User Agent
These Year 2000 updates are also available as separate Web downloads that you can apply to a Windows NT 4.0 Service Pack 4 system. Windows NT 4.0 SP6a is not a required upgrade for Year 2000; Microsoft recommends that each customer consult the Windows NT 4.0 SP6a documentation and then determine whether to deploy it. This version is the first release on CNET Download.com.
Windows Nt 6.4
Windows NT was the best operating system available at the beginning of the 90's, with a graphical interface very similar to Windows 95, offering users a lot more stability, but also less flexibility, than other systems.
This system, aimed at professional environments, was also updated as time went by with the famous Service Packs, that correct important errors and improve the operating system's compatibility with certain devices and applications.
Windows NT SP6 offers a notable improvement in the compatibility with applications based on sockets for Windows, like for example Lotus Notes, as well as joining together all the prior updates in the same pack.
This Service Pack also includes the updates known as 'Year 2000', that were so vital at that moment.
If you have this brilliant operating system by Microsoft, it's time for you to download this update pack that will solve all the problems that appeared after Windows NT Service Pack 6 was launched.
This system, aimed at professional environments, was also updated as time went by with the famous Service Packs, that correct important errors and improve the operating system's compatibility with certain devices and applications.
Windows NT SP6 offers a notable improvement in the compatibility with applications based on sockets for Windows, like for example Lotus Notes, as well as joining together all the prior updates in the same pack.
This Service Pack also includes the updates known as 'Year 2000', that were so vital at that moment.
If you have this brilliant operating system by Microsoft, it's time for you to download this update pack that will solve all the problems that appeared after Windows NT Service Pack 6 was launched.
Windows Nt 6.4 For Sale
Only works on Windows NT 4.0 SP6a.