Versions of Internet Explorer prior to 6.0 SP2 are also available as a separate download for versions of Windows prior to Windows XP. It is also included in the upcoming Windows Vista operating system. The most recent release is version 7.0, which is available as a free update for Windows XP with Service Pack 2, and Windows Server 2003 with Service Pack 1. Though released in 1995 as part of the initial OEM release of Windows 95, Internet Explorer was not included in the first retail, or shrink-wrap, release of Windows 95. It has been the most widely used web browser since 1999. Windows Internet Explorer, previously Microsoft Internet Explorer, abbreviated IE, or MSIE, is a graphical web browser developed by Microsoft and included as part of the Microsoft Windows line of operating systems. Main Wikipedia page using Internet Explorer 7 running Windows XP Related subjects: Software Windows Internet Explorer