Internet Explorer 8 is a new release and some websites may not yet be ready for Internet Explorer 8. Click the Compatibility View toolbar button to display the website as viewed in Internet Explorer 7, which will correct display problems like misaligned text, images, or text boxes. This option is on a per site basis and all other sites will continue to display with Internet Explorer 8 functionality. To go back to browsing with Internet Explorer 8 functionality on that site, simply click the Compatibility View button again.
Link : Download Internet Explore 8.0