Internet Explorer 11 (IE11) is the eleventh, final, and now deprecated version of the Internet Explorer web browser. It was initially included in the release of Windows 8. 1, Windows RT 8. 1 and Windows Server 2012 R2 on October 17, 2013, and was later released for Windows 7 and Windows Server 2008 R2 on November 7, 2013. It is the successor to Internet Explorer 10, released the previous year, and was the original, default browser in Windows 8. 1 and Windows Server 2012 R2, before Microsoft Edge was introduced. Internet Explorer 11 was also included in the release of Windows 10 on July 29, 2015, as well as in Windows Server 2016 and Windows Server 2019. On April 16, 2019, Internet Explorer 11 was made available to Windows Server 2012 and Windows Embedded 8 Standard, the only still supported edition of Windows 8 as the final expansion of Internet Explorer 11 availability. Internet Explorer 11, like its predecessor, IE 10, is not available for Windows Vista, Windows Server 2008 and earlier versions of Windows and Windows Server.