IIS Versions history

• Windows server 2003 will have IIS 6.0
• Windows Server 2008 will have IIS 7.0
• Windows Server 2008R2 will have IIS 7.5
• Windows Server 2012 will have IIS 8.0
• Windows Server 2012R2 will have IIS 8.5
• Windows Sercer 2016 & 2019 will have IIS 10.0