Microsoft has official released Internet Explorer 9 beta September 15, 2010 in San Francisco.
Internet Explorer 9 beta available for Windows 7, Windows Vista and Windows 2008 server. IE 9 does not supported on Windows XP. It available for download from Beauty of the Web.
1. About Internet Explorer. Default blank page.
2. Looks like the same settings and look at Internet Options.
3. The new feature is Add-ons manager, with availability to download extensions and toolbars from the web.
4. Support of the HTML5 and CSS3. Some features are supported, like “border-radius” property.