A little summary table for IIS versions and operating systems in which they are included.
Please note that there is no IIS 9. Microsoft has skipped the number 9 just like jumping on Windows 10 from Windows 8.
Version |
Operating System |
1.0 |
Included with Windows NT 3.51 SP 3 |
2.0 |
Included with Windows NT Server 4.0. |
3.0 |
Included with Windows NT Server 4.0 Service Pack 3 |
4.0 |
Self-contained download |
5.0 |
Built-in component of Windows 2000. |
5.1 |
Built-in component of Windows XP Professional. |
6.0 |
Built-in component of Windows Server 2003. |
7.0 |
Built-in component of Windows Vista and Windows Server 2008. |
7.5 |
Built-in component of Windows 7 and Windows Server 2008 R2. |
8.0 |
Built-in component of Windows 8 and Windows Server 2012. |
8.5 |
Built-in component of Windows 8.1 and Windows Server 2012 R2 |
10 |
Built-in component of Windows 10 and Windows Server 2016 |
References
https://support.microsoft.com/en-us/kb/224609
https://en.wikipedia.org/wiki/Internet_Information_Services
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