Internet Explorer 11 (IE11) is the eleventh and final version of the Internet Explorer web browser by Microsoft. It was officially released on October 17, 2013 along with Windows 8.1 and on November 7, 2013 for Windows 7. It is the successor to Internet Explorer 10, released the previous year, and is the default browser for Windows 8.1 and Windows Server 2012 R2 operating systems. Windows Vista and earlier are not supported. The browser was also shipped with Windows 10 on its release on July 29, 2015, but Microsoft Edge is the default browser in this version of Windows, and here, Internet Explorer is configured to run websites based on legacy HTML technologies. It is the default browser shipped with Windows Server 2016 and Windows Server 2019.

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