Internet Explorer 9 made its first appearance at MIX10 event held on March 15 of this year and until today Microsoft has released 4^th technical preview of IE 9, now only week left for the announcement of Microsoft’s next iteration of Internet Explorer, Internet Explorer 9 browser. A web event to be held on September 15 in Las Vegas is the time when we will see actual working IE 9 browser.

It is quite surprising to see that Microsoft has been successful in keeping tight lid on IE 9 development and final beta build to prevent any leaks, though some bits of IE 9 still leaked away. But now this could turn out biggest leak for Internet Explorer 9, a site iebest.com claims to have installer of Internet Explorer 9 Beta which they have got from Microsoft insider.

Though they have not leaked IE 9 Beta installer yet but as a proof they have made a video clip, showing fancy functions of IE9. here is video of leaked Internet Explorer 9 Beta for your viewing pleasure.

Internet Explorer 9 Beta Video

We are very skeptic about legitness of above video but who knows this may be the real IE 9 Beta video, only time will tell. Meanwhile let us know what you feel about leaked IE 9 Beta video (via Softpedia).

P.S IE 9 UI in above video is similar to the leaked screenshots of IE 9 which are proved to be real one.