At which university did Bill Gates enroll before leaving to build Microsoft?

Bill Gates enrolled at Harvard University before leaving to build Microsoft.

Gates entered Harvard in 1973 and studied subjects including law, mathematics, and computer science. He continued programming while at the university and spent considerable time working on computer projects rather than following a conventional academic path.

In 1975, after the Altair 8800 created a new opportunity for personal-computer software, Gates left Harvard to work with Paul Allen. He did not complete a degree at that time, although Harvard later awarded him an honorary Doctor of Laws degree in 2007.

Leaving university was a major decision, but it was made during the early growth of the microcomputer industry. Gates and Allen believed that personal computers would become widely used and that software would be central to that expansion.