Internet Explorer 9 Platform Preview is now available for developers. It includes expanded support for HTML5, hardware-accelerated graphics and text and a new JavaScript engine.

You can get Internet Explorer 9 Platform Preview to evaluate code refreshes about every eight weeks leading up to the Beta release. Developers can download the Internet Explorer 9 Platform Preview at http://www.IETestDrive.com.

IE9 includes a new JavaScript engine that uses the multiple cores of today’s modern chips to effectively manage computing resources and improve Web performance. IE 9 supports many HTML5 specifications, including CSS3, Scalable Vector Graphics (SVG), XHTML parsing and the video and audio tags using industry standard (H.264/MPEG4 and MP3/AAC) codecs.