This beta release is available to everyone, but is primarily for Web developers and designers to test the new tools, layout engine, and programming enhancements. When not developing your web site, you can click the Emulate IE7 button in the command bar to browse the web like you did in IE7.
This beta release is not supported by Microsoft Support Services.
Visit the Internet Explorer Newsgroup to discuss Internet Explorer Beta 1 with other users.
More information is available at the IE8 Beta site.
Please review the Internet Explorer 8 Beta 1 Release Notes
Downloads:
Windows Internet Explorer 8 Beta 1 for Windows Vista and Windows Server 2008
Windows Internet Explorer 8 Beta 1 for Windows Server 2003 SP2 64-bit Edition or Windows XP Professional 64-bit Edition
Windows Internet Explorer 8 Beta 1 for Windows Vista 64-bit Edition and Windows Server 2008 64-bit Edition
Windows Internet Explorer 8 Beta 1 for Windows Server 2003 SP2
Windows Internet Explorer 8 Beta 1 for Windows XP