Internet Explorer 11

Internet Explorer 11 is the latest version of Internet Explorer. It was released in October 2013 and shipped alongside Windows 8.1. An update was later made available for Windows 7 Service Pack 1. An official build of Internet Explorer 11 is not available for Windows 8 as it was Microsoft's intention to promote the Windows 8.1 upgrade. Internet Explorer 11 is also part of Windows 10, however, it is not set as the default browser to promote the Microsoft Edge browser.

Within Pre-Release Windows Builds
The first screenshots of IE11 come from Windows 8.1 build 9319.winmain.130208-1820. All the known leaked pre-release builds of Windows 8.1 contain a version of IE11.

Developer Preview
On 2013-07-25, Microsoft released a build of IE11 known as the "Developer Preview" (Build 11.0.9431.0) for Windows 7 and Windows Server 2008 R2. It is available in 14 languages (Arabic, Catalan, German, English, Spanish, French, Japanese, Korean, Portuguese Brazil, Russian, Swedish, Turkish, Chinese Simplified, Chinese Traditional) and is compiled for both x86 & x64 architectures.