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Internet Explorer 11

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Title: Internet Explorer 11  
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Subject: Internet Explorer, Internet Explorer 7, Internet Explorer 6, Internet Explorer 5, Internet Explorer 8
Collection: 2013 Software, Internet Explorer, Windows 8, Windows Web Browsers, Windows-Only Freeware
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Internet Explorer 11

Internet Explorer 11
Internet Explorer 11 running on Windows 8.1
Developer(s) Microsoft
Initial release 17 October 2013 (2013-10-17)[1]
Stable release 11.0.24 (11.0.9600.18057)[2] / 13 October 2015 (2015-10-13)
Operating system Windows 7 SP1
Windows Server 2008 R2[3]
Included with Windows 8.1, Windows Server 2012 R2, Windows Server 2016 and Windows 10
Engine Trident v7.0, Chakra
Platform IA-32, x64, Itanium, and ARM
Size 28–53 MB
License Proprietary, requires a Windows license[4]
Website .com.microsoftie

Internet Explorer versions:

1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11

Internet Explorer 11 (IE11) is the last version of Internet Explorer, a web browser, by Microsoft. It was officially released on 17 October 2013 for Windows 8.1 and on 7 November 2013 for Windows 7. The browser was also shipped with Windows 10 on its release on 29 July 2015, but Microsoft Edge is the default browser in this version of Windows. Internet Explorer 11 will be supported with security updates at least until January 2023 when the lifecycle of Windows 8.1 ends.[5]


  • Changes 1
    • Removed features 1.1
    • Added features 1.2
  • Performance 2
  • History 3
  • References 4
  • External links 5


IE11 features redesigned developer tools,[6] support for WebGL,[7] enhanced scaling for high DPI screens,[8] prerender and prefetch.[9] IE11 supports SPDY[10] on Windows 8.1 only.[11] In addition, IE11 supports Full Screen and Orientation APIs, CSS border image support, JavaScript enhancements, DOM mutation observers, Web Cryptography API, video text track support, encrypted media support and an improved HTML editor.[12] IE11 uses Transport Layer Security v1.2 as the default protocol for secure connections and deprecates RC4 cipher suite.[13]

Internet Explorer 11 for Windows RT does not support Java and other add-ons.[14]

Removed features

  • IE11 has deprecated document.all, meaning that code that checks for its presence will not detect it, but code that actually uses it will continue to work.[15] Additionally, the attachEvent proprietary API has been removed.[12]
  • Quick Tabs (CTRL+Q)[16]
  • Work Offline command removed from File menu[17]
  • Drag and drop of selected content from IE to other programs like Word or WordPad
  • Use large icons for command buttons
  • Some Group Policy settings are no longer supported.[18]
  • Ability to view all cookies at once via Developer Tools
  • Ability to disable tabbed browsing
  • autocomplete="off" for input type="password"

Added features


In one review, IE11 scored better than Google Chrome 30 and Firefox 26 in two of four benchmarks (including WebKit's SunSpider test), tied for fastest in a third benchmark, and was last in Google's V8 performance benchmark. As a result of the speed improvements, the reviewer said "if you switched to Chrome for speed alone, you're now using the wrong browser."[12]

IE11 was also observed to use less memory with multiple tabs open than contemporary versions of Chrome and Firefox.[12]


Though an internal build of IE11 was leaked on 25 March 2013,[20] its first preview version was not formally released until June 2013, during the Build 2013 conference, along with the preview release of Windows Server 2012 R2 and Windows 8.1.[21] On 25 July 2013, Microsoft released the developer preview of Internet Explorer 11 for Windows 7 and Windows Server 2008 R2.[3][22]

Old version
Older version, still supported
Latest version
Latest preview version
Future release
Name Version Release date Works on New features
Old version, no longer supported: Developer Preview Old version, no longer supported: 11.0.9431.0[23] 26 June 2013[21] Windows 8.1 WebGL, CSS border image, improved JavaScript performance, major update to Internet Explorer Developer Tools,[22] hardware-accelerated JPEG decoding,[24] closed captioning, HTML5 full screen,[25] HTML5 prerender, HTML5 prefetch,

Windows 8.1 only: cryptography (WebCrypto),[22] adaptive bitrate streaming (Media Source Extensions),[26] Encrypted Media Extensions,[25] SPDY v3[10]

25 July 2013[23] Windows 7 and Windows Server 2008 R2[22]
Old version, no longer supported: Release Preview Old version, no longer supported: 11.0.9600.16384[27] 17 September 2013[27] Windows 7 and Windows Server 2008 R2[28] Performance improvements
Current stable version: Internet Explorer 11 Current stable version: 11.0.9600.17842[29] 9 June 2015 Windows 7, Windows 8.1, and Windows Server 2008 R2 After cumulative update 11.0.20[29][30]
Current stable version: Internet Explorer 11 Current stable version: 11.0.10240.16384 29 July 2015 Windows 10 Released in Windows 10. Microsoft Edge is the default browser from Microsoft in this version of Windows.


  1. ^ "Windows 8.1 is available now". Microsoft News Center.  
  2. ^ "Microsoft Security Bulletin MS15-094 - Cumulative Security Update for Internet Explorer (3089548)". Security TechCenter.  
  3. ^ a b "Internet Explorer 11 Developer Preview: FAQ".  
  4. ^ "Microsoft Pre-Release Software License Terms: Internet Explorer 11 Developer Preview".  
  5. ^ "Microsoft draws line between Spartan and IE11 browsers".  
  6. ^ "What's new in F12 Tools (Preliminary)".  
  7. ^ "WebGL (Preliminary)".  
  8. ^ "High DPI support (Preliminary)".  
  9. ^ "Prerender and prefetch support (Preliminary)".  
  10. ^ a b Lardinois, Frederic (26 June 2013). "Microsoft Confirms IE11 Will Support Google’s SPDY Protocol".  
  11. ^ Foley, Mary Jo (7 November 2013), Microsoft releases for download IE11 for Windows 7, retrieved 7 November 2013 
  12. ^ a b c d Buckler, Craig (7 November 2013), "Internet Explorer 11: the Review",, retrieved 7 November 2013 
  13. ^ Peteroy, William (12 November 2013). "Security Advisory 2868725: Recommendation to disable RC4". Security Research & Defense.  
  14. ^
  15. ^ Zakas, Nicholas C. (2 July 2013). """Internet Explorer 11: "Don’t call me IE. NCZOnline. Retrieved 22 January 2014. 
  16. ^ "Ctrl+Q disappeared from IE11?, Microsoft Connect".  
  17. ^ IE11 Changes: IEInternals blog
  18. ^ New group policy settings for Internet Explorer 11
  19. ^ "HTTP Strict Transport Security comes to Internet Explorer 11 on Windows 8.1 and Windows 7". Microsoft. 
  20. ^ Sakr, Sharif (25 May 2013). "Internet Explorer 11 user agent makes browser look like Firefox, thumbs nose at legacy CSS hacks".  
  21. ^ a b "Introducing IE11: The Best Way to Experience the Web on Modern Touch Devices". IEBlog.  
  22. ^ a b c d Thurrott, Paul (25 July 2013). "Internet Explorer 11 Developer Preview for Windows 7". Paul Thurrott's SuperSite for Windows.  
  23. ^ a b Internet Explorer 11.0.9431.0 may be downloaded from "Internet Explorer 11 Developer Preview for Windows 7 and Windows Server 2008 R2". Download Center.  
  24. ^ Bradley, Tony (26 July 2013). "Why Internet Explorer 11 is the right browser for business".  
  25. ^ a b Brinkmann, Martin (25 July 2013). "The Internet Explorer 11 Preview for Windows 7 is now available". ghacks Technology News. Retrieved 27 July 2013. 
  26. ^ Williams, Mike (26 July 2013). "Internet Explorer 11 Developer Preview now available for Windows 7". BetaNews. BetaNews, Inc. Retrieved 27 July 2013. 
  27. ^ a b Internet Explorer 11.0.9600.16384 may be downloaded from "Internet Explorer 11 Release Preview for Windows 7 64-bit Edition and Windows Server 2008 R2 64-bit Edition". Download Center.  
  28. ^ Thurrott, Paul (18 September 2013). "Release Preview Version of IE 11 for Windows 7 is Now Available". Paul Thurrott's SuperSite for Windows.  
  29. ^ a b Popa, Bogdan (13 November 2013). "Internet Explorer 11.0.1 Released for Windows 8.1 Users".  
  30. ^ "Internet Explorer 11".  

External links

  • Official website
  • Internet Explorer Test Drive
  • IEBlog: Windows Internet Explorer Engineering Team Blog at MSDN Blogs
  • Internet Explorer Community Resources at Microsoft Developer Network
  • Internet 11 Development Status of Features
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