who is the cofounder for microsoft?
As of 2011, it was the world's largest software maker by revenue, and one of the world's most valuable companies. Microsoft was founded by Paul Allen and Bill Gates on April 4, 1975, to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Microsoft Windows.