Microsoft has released final version of Internet Explorer 11 for Windows 7 and is available for download worldwide in 95 languages. While your Internet Explorer version including, IE11 Release Preview and Developer Preview will be automatically updated to latest version, unless you install IE11 Blocker toolkit which prevents automatic upgrade.
Download IE9 Final Offline/Standalone Installer
Download Offline Installer for IE10 on Windows 7
To install this version of IE, you must be using Windows 7 SP1.
Internet Explorer 11 for Windows 7 offline installer/direct download links
Internet Explorer 11 for Windows 7 32-bit [28.3 MB]
Internet Explorer 11 for Windows 7 64-bit [53.3 MB]
You can find download links for other languages here. You can read IE11 final announcement on Microsoft blog.
Read: How to Uninstall IE11 on Windows 7 that restores Previous Version to IE10/IE9/IE8