Windows Phone 7 is a mobile operating system developed by Microsoft, and is the successor to its Windows Mobile platform. It is aimed at the consumer market instead of the enterprise market like its predecessor. It launched in Europe, Singapore and Australia on October 21, 2010, and in the US and Canada on November 8, 2010, Mexico on November 24, 2010, with Asia to follow in 2011. With Windows Phone 7, Microsoft offers a new user interface with its design language named Metro, integrates the operating system with 3rd party and other Microsoft services, and plans to strictly control which hardware it runs on.
Microsoft unveiled Windows Phone 7 on February 15, 2010, at Mobile World Congress 2010 in Barcelona and revealed additional details at MIX 2010 on March 15, 2010. The final SDK was made available on September 16, 2010.