How can I install Internet Explorer 7 on Windows 7? [duplicate]

"You can't install Internet Explorer 7 but you can run it inside Internet Explorer 8 (as the rendering engine is bundled) by doing the following (NOTE: This method also works in IE 9):

Open IE8
Open >Tools >Developer Tools
Switch Browser Mode to IE7 and Document Mode to IE7

Alternatively, you can download an installer for every Internet Explorer version from http://finalbuilds.edskes.net/iecollection.htm"

While you can't install IE7 on a Windows 7 machine, there's a program called IETester which provides historical versions of the Trident rendering engine (the core of Internet Explorer). IE7 is included as one of those historical versions, so you'll be able to evaluate how a site renders, without needing to actually run IE7 itself.