Microsoft Corporation is a multinational software company founded in 1975 by Bill Gates and Paul Allen. It develops and sells a wide range of software and services including the Windows operating system, Office productivity suite, and Xbox gaming system. Microsoft formed early partnerships with IBM that helped Windows become the dominant operating system installed on over 90% of personal computers worldwide by the 1990s. The company continues to be highly successful with a focus on achieving its vision of a computer in every home and business.