Microsoft has launched the latest version of the world’s most used browser with the Release-to-Web (RTW) of Internet Explorer 9 (IE9). You can read more about the product and the vision in a post from the IE engineering team on the IE Blog here.
Here are the direct download links to start the IE9 installation process (this is not the full IE9 download file):
(IE9 will be available to Windows 7 and Vista customers via Windows Update. Machines running the IE9 beta or release candidates will be upgraded to the final release automatically.)
See also: “Internet Explorer 9 is released: should you switch?” by Ed Bott