Google Chrome is a freeware web browser developed by Google that uses the WebKit layout engine. It was released as a beta version for Microsoft Windows on September 2, 2008, and as a stable public release on December 11, 2008. Google Chrome had 32.76% worldwide usage share of web browsers as of June 2012, making it the most widely used web browser, according to StatCounter.W3Counter indicated that Chrome became the leading browser globally in August 2012 with 28.3% marketshare.