| Windows Branded Version | WinVer version |
| Windows 1.0 | 1.0 |
| Windows 2.0 | 2.0 |
| Windows 3.0 | 3.0 |
| Windows NT | 3.1 |
| Windows 95 | 4.0 |
| Windows 98 | 4.0.1998 |
| Windows 98 SE | 4.10.2222 |
| Windows Millennium | 4.90.3000 |
| Windows 2000 | 5.0 |
| Windows XP | 5.1* |
| Windows Vista | 6.0 |
| Windows 7 | 6.1* |
| * even though these versions of Windows OS represented a major advancement in the technology, design, etc., the version number used was an increment over the previous version so as to preserve application compatibility with the older Windows version. | |
source: http://windowsteamblog.com/blogs/windowsvista/archive/2008/10/14/why-7.aspx
For a much more in-depth list of Windows versions and release dates, look at the following Wikipedia article: List of Microsoft Windows versions
3 comments:
WRONG DATA: The first Windows NT was 3.11, then came Windows NT4 with version number 4.0 (yes like Windows 95, but much more sophisticated, technically). So you should split Windows NT into:
Windows NT 3.11
Windows NT 4
What about NT 3.51 ;) ?
NT 3.1 was indeed the first. Then 3.5, then 3.51. I installed them professionally when they first came out.
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