Microsoft is a world-famous brand which is the pioneer of the world's software development.Nowadays,almost all the softwares we are using now come from Microsfot.Microsoft was founded by Bill Gates and Paul Allen in 1975.The headquarter is set up in Redmond city,Washington.At present,Microsoft is the world's largesr computer software supplier with almost 70 thousand employees.The turnover in 2009 reached 58.4 billion USD.