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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 next 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. Microsoft has announced it will drop support for Internet Explorer 8 on Windows beginning January 12, 2016. It will drop support for the Windows 7 operating system later in 2020, that came with IE8 but has later versions available for it. ==History== 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,〔 On August 27, 2008, Microsoft made IE8 Beta 2 generally available.〔 The first non-beta version was released on March 19, 2009. On January 5, 2009, a tool was provided by Microsoft to block the automatic install of Internet Explorer 8 via Windows Update. As of May 20, 2009, Windows XPe (Embedded) was not a supported platform for Internet Explorer 8. There have been no announcements of planned support. On May 27, 2010, Microsoft released Internet Explorer 8 optimized for Bing and MSN. The file name is BOIE8_ENUS_XP.exe. On August 7, 2014, Microsoft announced it will drop support for older browsers after January 12, 2016.〔http://blogs.msdn.com/b/ie/archive/2014/08/07/stay-up-to-date-with-internet-explorer.aspx〕〔https://support.microsoft.com/en-us/gp/microsoft-internet-explorer〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Internet Explorer 8」の詳細全文を読む スポンサード リンク
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