Windows 7/Internet Explorer

Internet Explorer was the default browser in Windows 7. It has now been replaced by Edge.

Version 8
The version that shipped with Windows 7. Like IE6 on XP, companies kept using it when much better versions were available.

Version 9
At the time it was an innovative browser that implemented HTML5 and was considered the final peak years or internet explorer. This version got a television advert featuring Alex Clare.

Version 10
Was released as a backport from Windows 8 and did not feature the metro experience in Windows 7.

Version 11
Launched in 2013, apart from a security updates it has not received any major features in the remaining 7 years that Windows 7 was in support.