Founded in 1975 by Bill Gates and Paul Allen, Microsoft is an American multinational corporation that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers.

Its most recognized software products include the Microsoft Windows line of operating systems, Microsoft Office suite and Internet Explorer web browser. Microsoft hardware products include the Xbox game console and the Microsoft Surface series of tablets.

In September 2013, Microsoft agreed to buy Nokia’s mobile unit. With the acquisition, Microsoft will re-enter the smartphone hardware market.

In July 2013, Microsoft announced its intention to reorganize the business into four new divisions by function: Operating System, Apps, Cloud and Devices. In February 2014, Satya Nadella succeeded Steve Ballmer as CEO.