Microsoft is expected to unveil its new UI for Internet Explorer 9 during the beta phase. To download Internet Explorer 9 Platform Preview 4, please visit the IE 9 Platform Preview Website.

According to Microsoft, Internet Explorer 9 has already had more than 40 million downloads, making it the company’s most-downloaded browser beta of all time.

Microsoft is readying a beta of its Internet Explorer (IE) 9 browser that it will roll out in September, according to Microsoft Chief Operating Officer Kevin Turner.

The newest version of Microsoft's Internet Explorer Web browser, IE9, tallied 2.3 million downloads in its first day of release Monday, the company says.

Microsoft's Internet Explorer 9 offers performance and security enhancements, HTML5 and standards supports, and major interface changes.

Beginning next Tuesday, January 12, Microsoft will officially retire Internet Explorer versions 8, 9, and 10 for most Windows operating systems, according to a Microsoft support page.

News Analysis: Microsoft has officially launched Internet Explorer 9. Although the browser's history has been spotty, Internet Explorer 9 is the one new browser that every user should be trying.

See About archive blog posts. Microsoft announced Tuesday that users of its Internet Explorer 9 Web browser would soon be able to create lists of sites that they do and don’t want tracking them.

The tech giant is now phasing out the browser, announcing that as of Tuesday, Jan. 12, Microsoft will no longer support Internet Explorer 8, 9 or 10.

Microsoft has delivered four developer previews of Internet Explorer (IE) 9 so far, but has yet to show off the new interface for its next-generation browser.