Microsoft Internet Explorer 9 arrives, but not for XP

The training wheels have come off of the latest version of , as unleashes version 9 of the world's most heavily used browser this at an at the South by Southwest Festival (SXSW) in Austin, Texas. Internet Explorer 9 (download after 9 p.m. PT) debuts to the public not only as the fastest, most standards-compliant version of IE yet, but also as one that can stand up and compete on features and looks with Firefox, Chrome, Safari, and the browser. Along with IE's new features, though, Microsoft has a message for Windows XP users: hurry up and upgrade to Windows 7 already.

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