Although the naming of Windows varies by many factors, its internal version numbers are in the same line, from Windows 1.0 to Windows 2.0, Windows 3.0, to Windows 95, the version number is Windows 4.0, and subsequent Windows 9x are windows 4 series.
Before the release of Windows 7, Microsoft briefly mentioned the versions of each windows and explained why to name the next-generation operating system Windows 7. In fact, the version number of Windows 7 is the same as that of Vista, But windows 6 is also compatible with Windows 7.
The Microsoft msdn technical website provides a list of versions of each operating system currently in use, which is a simple summary to help Windows users understand the system they are using, it is also convenient for programming to determine the system version.
Operating System |
Version Number |
Windows 1.0 |
1.04 |
Windows 2.0 |
2.11 |
Windows 3.0 |
3 |
Windows NT 3.1 |
3.10.528 |
Windows for workgroups 3.11 |
3.11 |
Windows NT Workstation 3.5 |
3.5.807 |
Windows NT Workstation 3.51 |
3.51.1057 |
Windows 95 |
4.0.950 |
Windows NT Workstation 4.0 |
4.0.1381 |
Windows 98 |
4.1.1998 |
Windows 98 Second Edition |
4.1.2222 |
Windows ME |
4.90.3000 |
Windows 2000 Professional |
5.0.2195 |
Windows XP |
5.1.2600 |
Windows XP Professional x64 Edition |
5.2.3790 |
Windows Server 2003 |
5.2 |
Windows Server 2003 r2 |
5.2 |
Windows Vista |
6.0.6000 |
Windows Server 2008 |
6.0 |
Windows Server 2008 r2 |
6.1 |
Windows 7 |
6.1.7600 |
Windows 8 |
6.2.9200 |