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Internet Explorer (formerly Microsoft Internet Explorer, commonly abbreviated IE or MSIE) is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems, starting in 1995.

The first version of Internet Explorer, (at that time named Microsoft Internet Explorer, later referred to as Internet Explorer 1) made its debut on August 24, 1995. It was a reworked version of Spyglass Mosaic, which Microsoft licensed from Spyglass Inc., like many other companies initiating browser development. It was first released as part of the add-on package Plus! for Windows 95 that year. Later versions were available as free downloads, or in service packs, and included in the OEM service releases of Windows 95 and later versions of Windows.

Originally Microsoft Internet Explorer only ran on Windows using Intel 80386 (IA-32) processor. Current versions also run on x64, 32-bit ARMv7, PowerPC and IA-64. Versions on Windows have supported MIPS, Alpha AXP and 16-bit and 32-bit x86 but currently support only 32-bit or 64-bit. A version exists for Xbox 360 called Internet Explorer for Xbox using PowerPC and an embedded OEM version called Pocket Internet Explorer, later rebranded Internet Explorer Mobile, which is currently based on Internet Explorer 9 and made for Windows Phone using ARMv7, Windows CE, and previously, based on Internet Explorer 7 for Windows Mobile. It remains in development alongside the desktop versions.

Internet Explorer has supported other operating systems with Internet Explorer for Mac (using Motorola 68020+, PowerPC) and Internet Explorer for UNIX (Solaris using SPARC and HP-UX using PA-RISC), which have been discontinued.

Since its first release, Microsoft has added features and technologies such as basic table display (in version 1.5); XMLHttpRequest (in version 5), which adds creation of dynamic web pages; and Internationalized Domain Names (in version 7), which allow Web sites to have native-language addresses with non-Latin characters. The browser has also received scrutiny throughout its development for use of third-party technology (such as the source code of Spyglass Mosaic, used without royalty in early versions) and security and privacy vulnerabilities, and both the United States and the European Union have alleged that integration of Internet Explorer with Windows has been to the detriment of other browsers.

The latest stable release has an interface allowing for use as both a desktop application, and as a Windows 8 application.

OS compatibilityEdit

See also: Internet Explorer MobileIE versions, over time, have had widely varying OS compatibility, ranging from being available for many platforms and several versions of Windows to only a few versions of Windows. Many versions of IE had some support for an older OS but stopped getting updates. The increased growth of the Internet in the 1990s and 2000s means that current browsers with small market shares have more total users than the entire market early on. For example, 90% market share in 1997 would be roughly 60 million[1] users, but by the start of 2007 90% market share would equate to over 900 million users.[1] The result is that later versions of IE6 had many more users in total than all the early versions put together.

The release of IE7 at the end of 2006 resulted in a collapse of IE6 market share; by February 2007, market version share statistics showed IE6 at about 50% and IE7 at 29%.[2] Regardless of the actual market share, the most compatible version (across operating systems) of IE was 5.x, which had Mac OS 9 and Mac OS X, Unix, and most Windows versions available and supported for a short period in the late 1990s (although 4.x had a more unified codebase across versions). By 2007, IE had much narrower OS support, with the latest versions supporting only Windows XP Service Pack 2 and above. Internet Explorer 5.0, 5.5, 6.0, and 7.0 (Experimental) have also been unofficially ported to the Linux operating system from the project IEs4Linux.

WindowsEdit

Years Layout engine 10 8.1 8 7 Vista XP ME 2000 98 NT 4.0 95 NT 3.51 NT 3.5 NT 3.1 3.1
Years available 2015– 2013– 2012– 2009–2013 2006–2011 2001–2009 2000–2001 1999–2001 1998–2001 1996–2001 1995–2001 1995–1999 1994–1996 1993–1999 1992–1999
IE 11 2013 Trident 7.0 Included Included N/A Yes with SP1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
IE 10 2012 Trident 6.0 N/A N/A Included Yes with SP1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
IE 9 2011 Trident 5.0 N/A N/A N/A Yes Yes with SP2 N/A| N/A N/A N/A N/A N/A N/A N/A N/A N/A
IE 8 2009 Trident 4.0 N/A N/A N/A Included Yes Yes with SP2/SP3 N/A N/A N/A N/A N/A N/A N/A N/A N/A
IE 7 2006 Trident N/A N/A N/A N/A Included Yes with SP2/SP3 N/A N/A N/A N/A N/A N/A N/A N/A N/A
IE 6 2001 Trident N/A N/A N/A N/A N/A Included Yes

6.0 SP1

Yes

6.0 SP1

Yes

6.0 SP1

Yes

6.0 SP1

N/A N/A N/A N/A N/A
IE 5.5 2000 Trident N/A N/A N/A N/A N/A N/A Included Yes Yes Yes Yes

5.5 SP2

N/A N/A N/A N/A
IE 5 1999 Trident N/A N/A N/A N/A N/A N/A N/A Included Yes Yes Yes Yes Yes Yes Yes
IE 4 1997 Trident N/A N/A N/A N/A N/A N/A N/A N/A Included Yes Yes Yes Yes Yes Yes
IE 3 1996 Spyglass N/A N/A N/A N/A N/A N/A N/A N/A N/A Yes Yes Yes Yes Yes Yes
IE 2 1996 Spyglass N/A N/A N/A N/A N/A N/A N/A N/A N/A Included Yes Yes Yes Yes Yes
IE 1.5 1996 Spyglass N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Yes Yes Yes Yes Yes
IE 1 1995 Spyglass N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Included Yes Yes Yes Yes

VersionsEdit

Microsoft Internet ExplorerEdit

Microsoft Internet Explorer was released on August 24, 1995. It was a reworked version of Spyglass Mosaic which Microsoft had licensed,[7][8] like many other companies initiating browser development, from Spyglass Inc.[7][8] It came with Microsoft Plus! for Windows 95 and with at least some OEM releases of Windows 95 without Plus!.[9] It was installed as part of the Internet Jumpstart Kit in Plus! for Windows 95.[10] The Internet Explorer team began with about six people in early development.[11][12] Microsoft Internet Explorer 1.5 was released several months later for Windows NT and added support for basic HTML table rendering. By including it free of charge on their operating system, they did not have to pay royalties to Spyglass Inc, resulting in a lawsuit and a US$8 million settlement on January 22, 1997.[7][8]

Although not included, this software can also be installed on the original release of Windows 95.

Microsoft Internet Explorer (that is version 1.x) is no longer supported, or available for download from Microsoft. However, archived versions of the software can be found on various websites.

manual installation required by many of the existing web browsers.[13]

Microsoft Internet Explorer 2Edit

Microsoft Internet Explorer 2 was released on July 31, 1996 (following a 2.0 beta in October). It featured support for JavaScript, SSL, cookies, frames, VRML, RSA, and Internet newsgroups. Version 2 was also the first release for Windows 3.1 and Macintosh System 7.0.1 (PPC or 68k), although the Mac version was not released until January 1996 for PPC, and April for 68k.[14] Version 2.1 for the Mac came out in August 1996, although by this time, Windows was getting 3.0. Version 2 was included in Windows 95 OSR 1 and Microsoft's Internet Starter Kit for Windows 95 in early 1996.[15] It launched with twelve languages, including English, but by April 1996, this was expanded to 24, 20, and 9 for Win 95, Win 3.1, and Mac, respectively.[15] The 2.0i version supported double-byte character-set.[15]

Microsoft Internet Explorer 3Edit

Market share history snapshot

for February 2005

IE4: 0.07%
IE5: 6.17%
IE6: 82.79%

Microsoft Internet Explorer 3 was released on November 10, 1996 and went on to be much more popular than its predecessors. Microsoft Internet Explorer 3 was the first major browser with CSS support, although this support was only partial. It also introduced support for ActiveX controls, Java applets, inline multimedia, and the PICS system for content metadata. Version 3 also came bundled with Internet Mail and News, NetMeeting, and an early version of the Windows Address Book. Version 3 proved to be the first more popular version of Internet Explorer, bringing with it increased scrutiny. In the months following its release, a number of security and privacy vulnerabilities were found by researchers and hackers. This version of Internet Explorer was the first to have the 'blue e' logo.[10] The Internet Explorer team consisted of roughly 100 people during the development of three months.[17] The first major IE security hole, the Princeton Word Macro Virus Loophole, was discovered on 22 August 1996 in IE3.[18]

Backwards compatibility was handled by allowing users who upgraded to IE3 to still use the last IE, because the installation converted the previous version to a separate directory.[19]

Microsoft Internet Explorer 4Edit

Market share history snapshot

for October 2008

IE4: 0.01%
IE5: 0.20%
IE6: 37.01%
IE7: 35.81%

Microsoft Internet Explorer 4, released on October 26, 1997 deepened the level of integration between the web browser and the underlying operating system. Installing version 4 on a Windows 95 or Windows NT 4.0 machine and choosing Windows Desktop Update would result in the traditional Windows Explorer being replaced by a version more akin to a web browser interface, as well as the Windows desktop itself being web-enabled via Active Desktop. The integration with Windows, however, was subject to numerous packaging criticisms (see United States v. Microsoft). This option was no longer available with the installers for later versions of Internet Explorer, but was not removed from the system if already installed. Microsoft Internet Explorer 4 introduced support for Group Policy, allowing companies to configure and lock down many aspects of the browser's configuration as well as support for offline browsing.[21] Internet Mail and News was replaced with Outlook Express, and Microsoft Chat and an improved NetMeeting were also included. This version was also included with Windows 98. New features that allowed users to save and retrieve posts in comment forms were added, but they are not used today. Microsoft Internet Explorer 4.5 offered new features such as easier 128-bit encryption. It also offered a dramatic stability improvement over prior versions, particularly the 68k version, which was especially prone to freezing.[22][23][24]

Microsoft Internet Explorer 5Edit

Microsoft Internet Explorer 5, was released on October 31, 1999 and subsequently included with Windows 2000 and bundled with Office 2000, was another significant release that supported bi-directional text, ruby characters, XML, XSLT, and the ability to save web pages in MHTML format. IE5 was bundled with Outlook Express 5. Also, with the release of Microsoft Internet Explorer 5.0, Microsoft released the first version of XMLHttpRequest, giving birth to Ajax (even though the term "Ajax" was not coined until years later). It was the last with a 16-bit version. Microsoft Internet Explorer 5.01, a bug fix version, was released in December 1999. Microsoft Internet Explorer 5.5 followed on July 17, 2000, improving its print preview capabilities, CSS and HTML standards support, and developer APIs; this version was bundled with Windows ME. However, version 5 was the last version for Mac and UNIX. Version 5.5 was the last to have Compatibility Mode, which allowed Microsoft Internet Explorer 4[25] to be run side by side with the 5.x.[10][26] The IE team consisted of over 1,000 people by 1999, with funding on the order of US$100 million per year.[12][17]

Microsoft Internet Explorer 6Edit

Microsoft Internet Explorer 6 was released on October 25, 2001 a few months before Windows XP. This version included DHTML enhancements, content restricted inline frames, and partial support of CSS level 1, DOM level 1, and SMIL 2.0.[27] The MSXML engine was also updated to version 3.0. Other new features included a new version of the Internet Explorer Administration Kit (IEAK), Media bar, Windows Messenger integration, fault collection, automatic image resizing, P3P, and a new look-and-feel that was in line with the Luna visual style of Windows XP, when used in Windows XP. Internet Explorer 6.0 SP1 offered several security enhancements and coincided with the Windows XP SP1 patch release. In 2002, the Gopher protocol was disabled, and support for it was dropped in Internet Explorer 7.[28] Internet Explorer 6.0 SV1[29] came out on 6 August 2004 for Windows XP SP2 and offered various security enhancements and new colour buttons on the user interface. Internet Explorer 6 updated the original 'blue e' logo to a lighter blue and more 3D look.[10] Microsoft now considers IE6 to be an obsolete product and recommends that users upgrade to Internet Explorer 8. Some corporate IT users have not upgraded despite this, in part because some still use Windows 2000, which will not run Internet Explorer 7 or above.[30] Microsoft has launched a website, http://ie6countdown.com/, with the goal of getting Internet Explorer 6 usage to drop below 1 percent worldwide. Its usage is 6% globally as of October 2012, and now about 6.3% since June 2013, and depending on the country, the usage differs heavily: while the usage in Norway is 0.1%, it is 21.3% in the People's Republic of China.[31] On 3 January 2012, Microsoft announced that usage of IE6 in the United States had dropped below 1%.[32][33]

Microsoft Internet Explorer 7Edit

Microsoft Internet Explorer 7 was released on November 8, 2006. It includes bug fixes, enhancements to its support for web standards, tabbed browsing with tab preview and management, a multiple-engine search box, a web feeds reader, Internationalized Domain Name support (IDN), Extended Validation Certificate support, and an anti-phishing filter. With IE7, Internet Explorer has been decoupled from the Windows Shell—unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process. It is included with Windows Vista, and is available for Windows XP Service Pack 2 and later. The original release of Internet Explorer 7 required the computer to pass a Windows Genuine Advantage validation check prior to installing, but on October 5, 2007, Microsoft removed this requirement. As some statistics show, by mid-2008, Internet Explorer 7 market share exceeded that of Internet Explorer 6 in a number of regions.


Microsoft Internet Explorer 8Edit

Microsoft Internet Explorer 8 was released on April 22, 2009. It includes bug fixes, enhancements to its support for web standards, tabbed browsing with tab preview and management, a multiple-engine search box, a web feeds reader, Internationalized Domain Name support (IDN), Extended Validation Certificate support, and an anti-phishing filter. With IE8, Internet Explorer has been decoupled from the Windows Shell—unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process. It is included with Windows 7, and is available for Windows XP Service Pack 2 and later, and Windows Vista. The original release of Internet Explorer 8 required the computer to pass a Windows Genuine Advantage validation check prior to installing, but on November 6, 2010 Microsoft removed this requirement. As some statistics show, by mid-2011, Internet Explorer 8 market share exceeded that of Internet Explorer 7 in a number of regions.


Microsoft Internet Explorer 9Edit

Microsoft Internet Explorer 9 was released on June 12, 2011. It includes bug fixes, enhancements to its support for web standards, tabbed browsing with tab preview and management, a multiple-engine search box, a web feeds reader, Internationalized Domain Name support (IDN), Extended Validation Certificate support, and an anti-phishing filter. With IE9, Internet Explorer has been decoupled from the Windows Shell—unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process. It is available for Windows XP Service Pack 2 and later, Windows Vista Service Pack 2, and Windows 7. The original release of Internet Explorer 9 required the computer to pass a Windows Genuine Advantage validation check prior to installing, but on October 5, 2012, Microsoft removed this requirement. As some statistics show, by mid-2013, Internet Explorer 9 market share exceeded that of Internet Explorer 8 in a number of regions.


Microsoft Internet Explorer 10Edit

Microsoft Internet Explorer 10 was released on November 13, 2012. It includes bug fixes, enhancements to its support for web standards, tabbed browsing with tab preview and management, a multiple-engine search box, a web feeds reader, Internationalized Domain Name support (IDN), Extended Validation Certificate support, and an anti-phishing filter. With IE10, Internet Explorer has been decoupled from the Windows Shell—unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process. It is included with Windows 8, and is available for Windows Vista Service Pack 2 and Windows 7 Service Pack 1. The original release of Internet Explorer 10 required the computer to pass a Windows Genuine Advantage validation check prior to installing, but on October 5, 2013, Microsoft removed this requirement. As some statistics show, by mid-2014, Internet Explorer 10 market share exceeded that of Internet Explorer 9 in a number of regions.


Internet Explorer 11Edit

Internet Explorer 11 was released on November 7, 2013. It includes bug fixes, enhancements to its support for web standards, tabbed browsing with tab preview and management, a multiple-engine search box, a web feeds reader, Internationalized Domain Name support (IDN), Extended Validation Certificate support, and an anti-phishing filter. With IE10, Internet Explorer has been decoupled from the Windows Shell—unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process. It is included with Windows 8.1 and Windows 10, and is available for Windows Vista Service Pack 2, Windows 7 Service Pack 1, and Windows 8. The original release of Internet Explorer 10 required the computer to pass a Windows Genuine Advantage validation check prior to installing, but on October 4, 2014, Microsoft removed this requirement. As some statistics show, by mid-2015, Internet Explorer 11 market share exceeded that of Internet Explorer 10 in a number of regions.


Release history for desktop Windows OS versionEdit

Color

Meaning
Pink Old test release; unsupported
Red Old release; unsupported
Orange Old release; support limited to WES09. [Note 1]
Yellow Old release; support limited to most current version available for supported operating systems. [Note 2]
Green Current (final) release;
  • Service packs are not included unless significant.

Major version

Minor version Release date Significant changes Shipped with
Version 1 1.0 August 1995 Initial release. Windows 95
1.5 January 1996 Compatible with Windows NT 3.5
Version 2 2.0 Beta October 1995 Support of HTML tables and other elements.
2.0 July 31, 1996 SSL, cookies, VRML, and Internet newsgroups. Last version supported on Windows NT 3.1. Windows NT 4.0
2.01 Unknown Bug fix release.
Version 3 3.0 Alpha 1 March 1996 Improved support of HTML tables, frames, and other elements.
3.0 Alpha 2 May 1996 Support of VBScript and JScript.
3.0 Beta 2 July 1996 Support of CSS and Java.
3.0 August 1996 Final release. Last version supported on Windows NT 3.5. Windows 95 OSR 2
3.01 October 1996 Bug fix release.
3.02 March 1997 Bug fix release.
3.03 1997 Bug fix release.
Version 4 4.0 Beta 1 April 1997 Improved support of CSS and Microsoft DOM.
4.0 Beta 2 July 1997 Improved support of HTML and CSS.
4.0 September 1997 Improved support of HTML and CSS. Windows 95 OSR 2.5
4.01 November 1997 Bug fix release. Windows 98
Version 5 5.0 Beta 1 June 1998 Support of more CSS2 features.
5.0 Beta 2 November 1998 Support of bi-directional text, ruby character, XML/XSL and more CSS properties.
5.0 March 18, 1999 Final release. Last version supported on Windows 3.1 and Windows NT 3.51. Windows 98 SE
5.01 November 29, 1999 Bug fix release. Windows 2000
5.5 Beta 1 December 1999 Support of more CSS properties. Minor changes to support of frames.
5.5 September 14, 2000 Final release. Windows ME
5.5 SP1 October 23, 2000 Vulnerability patch.
5.5 SP2 July 23, 2001 Vulnerability patch. Last version supported on Windows 95.
Version 6 6.0 Beta 1 March 2001 More CSS changes and bug fixes to be more W3C-compliant. Add new feature Smart tag
6.0 October 25, 2001 Final release. remove the Smart tag again. Windows XP

Windows Server 2003

6.0 SP1 September 9, 2002 Vulnerability patch. Last version supported on Windows NT 4.0, 98, 2000 and ME. Windows XP SP1
6.05 October 1, 2003 Released for Windows Longhorn build 4051. Windows Longhorn build 4051-4094
6.0 SP2 July 15, 2004 Vulnerability patch. Popup/ActiveX blocker. Add-on manager. Windows XP SP2
6.0 SP3 August 20, 2007 Windows XP: Latest updates included with XP SP3. Windows XP SP3
Version 7 7.0 Beta 1 July 27, 2005 Support of PNG alpha channel. CSS bug fixes. Tabbed browsing. Support for EV SSL certificate. Phishing filter. Windows Vista Beta 1
7.0 Beta 2 Preview January 31, 2006 More CSS fixes. Web feeds platform integration. New GUI. Quick Tabs.
7.0 Beta 2 April 24, 2006 Feature complete. More CSS fixes. Application compatibility fixes.
7.0 Beta 3 June 29, 2006 Fixes rendering issues for CSS.
7.0 RC 1 August 24, 2006 Improvements in performance, stability, security, application compatibility and final CSS adjustments.
7.0 November 8, 2006 Final release. Windows Vista
7.0 SP1 February 4, 2008 Vulnerability patch. Windows Vista SP1
7.0 SP2 April 28, 2009 Vulnerability patch. Windows Vista SP2
Version 8 8.0 Beta 1 March 5, 2008 CSS 2.1, Contextual Services. Accelerators. Web Slices. Tab isolation and DEP protection enabled by default. Automatic crash recovery. Improved phishing and malware filter (SmartScreen). Uses 6 HTTP server connections for improved website responsiveness.
8.0 Beta 2 August 27, 2008 CSS 2.1 bug fixes. InPrivate browsing. Smart address bar. Search suggestions. Tab color grouping. Caret browsing. Windows 7 Pre-Beta
8.0 Pre-RC 1 December 11, 2008 CSS bug fixes. Improved Developer Tools. Changes in Compatibility View. Improved Favorites management and other minor changes to UI. Changes to InPrivate browsing and blocking modes. Windows 7 Beta
8.0 RC1 January 26, 2009 CSS bug fixes. Minor changes in favorites management and search bar.
8.0 March 19, 2009 Final release. Last version supported on Windows XP.

Windows 7

8.0 SP1 November 6, 2010 Vulnerability patch. Windows 7 SP1
Version 9 9.0 Platform Preview 1

v1.9.7745.6019

March 16, 2010 Support for some CSS3 selectors (including border-radius property), HTML5 and SVG. New JavaScript engine (code name Chakra). Added support for graphics and web rendering hardware acceleration, using Direct2D and DirectWrite.
9.0 Platform Preview 2

v1.9.7766.6000

May 5, 2010 Support for more functions in SVG, HTML5, DOM. Added support for all CSS3 selectors. JavaScript performance improvements.
9.0 Platform Preview 3

v1.9.7874.6000

June 23, 2010 Support for HTML5 <audio>, <video> and <canvas> tags. Support for WOFF fonts. JavaScript and graphics performance improvements.
9.0 Platform Preview 4

v1.9.7916.6000

August 4, 2010 CSS bug fixes. Support for ECMAScript5 (ES5). JScript engine integrated into the core browser components (architectural change). Performance improvements.
9.0 Beta & 9.0 Platform Preview 5

v1.9.7930.16406

September 15, 2010 New UI, Download manager, New Tab page, Search in the address bar, Notification Bar, Add-on Performance Advisor
9.0 Platform Preview 6

v1.9.8006.6000

October 28, 2010 CSS3 2D transforms and HTML5 semantic tags.
9.0 Platform Preview 7

v1.9.8023.6000

November 17, 2010 Better JavaScript performance.
9.0 Release Candidate & 9.0 Platform Preview 8

1.9.8080.16413

February 10, 2011 Performance improvements, Tracking Protection, ActiveX Filtering, paste and navigate, enhancements to user interface, and support for the W3C Geolocation API.
9.0 March 14, 2011 Improved performance, improved Tracking Protection, and the option to pin multiple targets per page. Last version supported on Windows Vista.
Version 10 10.0 Platform Preview 1

v2.10.1000.16394

April 12, 2011 Support for CSS3 multi-column layout, CSS3 grid layout, CSS3 flexible box layout, CSS3 gradients, and ES5 strict mode.
10.0 Platform Preview 2

v2.10.1008.16421

June 29, 2011 Support for Positioned Floats, CSS stylesheet limit lifted, CSSOM Floating Point Value support, Improved hit testing APIs, Media Query Listeners, HTML5: Support for async attribute on script elements, HTML5 Drag and Drop, HTML5 File API, HTML5 Sandbox, HTML5 Web Workers, and some Web Performance APIs.
10.0 Developer Preview

v10.0.8102.0 - Platform Preview 3

September 13, 2011 Support for Windows 8, CSS 3D Transforms, CSS Text shadow, SVG Filter Effects, Spellchecking, Autocorrection, local storage with IndexedDB and the HTML5 Application Cache, Web Sockets, HTML5 History, and InPrivate tabs. Windows 8 Developer Preview
10.0 Developer Preview

v10.0.8103.0 - Platform Preview 4

November 29, 2011 Windows 8 Developer Preview
10.0 Consumer Preview

v10.0.8250.0 - Platform Preview 5

February 29, 2012 Improved performance and support for more HTML5. Windows 8 Consumer Preview
10.0 Release Preview

v10.0.8400.0 - Platform Preview 6

May 31, 2012 Windows 8 Release Preview
10.0 October 26, 2012 Final release. Last version supported on Windows 8.

Windows 8

Version 11 11.0 Preview

11.0.9431.0

June 26, 2013 Windows 8.1 only. Improved support for HTML5 and CSS3. Support for WebGL and SPDY. New Modern UI-interface and developer tools. Windows 8.1 Preview
11.0 Release Preview

11.0.9431.0

September 18, 2013 Windows 7 only.
11.0 October 17, 2013 The default browser in Windows 8.1. Last version supported on Windows 7. Windows 8.1 Windows 10

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