Microsoft is a large company with total assets of $176.22 billion, revenue of $93.58 billion, and a market cap of $423.7 billion. Key products include Windows, Office, Xbox, and Surface. Microsoft was founded in 1975 and launched MS-DOS in 1981, Windows OS in 1985, went public in 1986, launched Office in 1990 and Windows XP in 2001. Satya Nadella became CEO in 2014 and the company has focused on rebranding, cloud services across platforms, and emerging technologies like HoloLens and Surface Book.