Since its availability on March 14th, IE9 has been available for manual download and we are pleased by the early and continued enthusiasm for IE9. We are seeing not only strong customer and business demand, but some of the highest web and application compatibility rates in IE history, not to mention all the sites that are taking advantage of HTML5 and IE9’s Windows 7 integration.
Link – http://windowsteamblog.com/ie/b/ie/archive/2011/04/14/updating-ie9-through-windows-update.aspx
