Internet Explorer 8
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Internet Explorer 8 in Windows 7
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| Developer(s) | Microsoft |
|---|---|
| Initial release | March 19, 2009 |
| Stable release | 8.0.7601.17514 (February 22, 2011) |
| Preview release | None |
| Operating system |
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| Included with | Windows 7 and Windows Server 2008 R2 |
| Engine | Trident 4.0 |
| Platform | c.f. § platform support |
| Type |
Web browser Aggregator |
| License | Proprietary, requires Windows license |
| Website | www |
| Internet Explorer versions: | |
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Internet Explorer desktop market share
— January 2017 via Net Applications |
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| Internet Explorer 6 | 0.48% | |
| Internet Explorer 7 | 0.23% | |
| Internet Explorer 8 | 3.21% | |
| Internet Explorer 9 | 4.28% | |
| Internet Explorer 10 | 0.84% | |
| Internet Explorer 11 | 10.46% | |
| All variants | 19.5% | |
|---|---|---|
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Microsoft Edge excluded from the list. |
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Windows Internet Explorer 8 (IE8) is a web browser developed by Microsoft in the Internet Explorer browser series, released on March 19, 2009. It is the successor to Internet Explorer 7, released in 2006, and is the default browser for Windows 7 and Windows Server 2008 R2 operating systems.
Internet Explorer 8 is the first version of IE to pass the Acid2 test, and the last of the major browsers to do so, although it scores 24/100 on the Acid3 Test. According to Microsoft, security, ease of use, and improvements in RSS, CSS, and Ajax support were its priorities for IE8.
Internet Explorer 8 is the last version of Internet Explorer to run on Windows Server 2003 and Windows XP; the following version, Internet Explorer 9, works only on Windows Vista and later. Support for Internet Explorer 8 is bound to the lifecycle of the Windows version it is installed on as it is considered an OS component, thus it is unsupported on Windows XP due to its end of extended support. Effective January 12, 2016, Internet Explorer 8 is no longer supported on any client or server version of Windows, due to new policies specifying that only the newest version of IE available for a supported version of Windows will be supported. However several Windows Embedded versions will remain supported until their respective EOL, unless otherwise specified.
IE8 development started in at least March 2006. In February 2008, Microsoft sent out private invitations for IE8 Beta 1, and on March 5, 2008, released Beta 1 to the general public, although with a focus on web developers. The release launched with a Windows Internet Explorer 8 Readiness Toolkit website promoting IE8 white papers, related software tools, and new features in addition to download links to the Beta.Microsoft Developer Network (MSDN) added new sections detailing new IE8 technology. Major press focused on a controversy about Version Targeting, and two new features then called WebSlice and Activities. The readiness toolkit was promoted as something "developers can exploit to make Internet Explorer 8 'light up'."
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