Internet Explorer 9 supports ECMAScript 5 (ES5), several CSS 3 properties and embedded ICC v2 or v4 color profiles support via Windows Color System, and has improved JavaScript performance. The software was rebranded simply as Internet Explorer starting in 2012 with the release of Internet Explorer 10.

Internet Explorer 9 is the last version that is called Windows Internet Explorer. It is the first version of Internet Explorer not to be bundled with a Windows operating system, although some OEMs have installed it with Windows 7 on their PCs. Microsoft released Internet Explorer 9 as a major out-of-band version that was not tied to the release schedule of any particular version of Windows, unlike previous versions. It was released by Microsoft on March 14, 2011, as the ninth version of Internet Explorer and the successor to Internet Explorer 8.

Internet Explorer 9 or IE9 (officially Windows Internet Explorer 9) is the ninth version of the Internet Explorer web browser for Windows. en-us /download /internet-explorer-9-details.

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