Windows Live Messenger 2011 is finally here. Far from being just a chat program, the all-new Microsoft instant messaging client is now a complete communications center with support for social networks.

Internet Explorer 9 is the new edition of Microsoft's hugely popular web browser. Building on the success of previous editions of IE with new features and a new look, Microsoft has high hopes for Internet Explorer 9.

Firefox 4, the latest installment of Mozilla's world famous web browser, is already available for download.