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1955: William Henry Gates III is born to attorney William Henry Gates II and Mary Gates.
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Enrolled in lakeside school, got intrested in programming and made his first program, a tic-tac-toe game.
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In the summer of 1973, he graduated from lakeside, got a 1590 out of 1600 on the sat, and went to Harvard University
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In 1975 when he read Popular Electronics, he saw the altair 8800, and immidiatly called MITS to say he was working on a BASIC interpreter for the altair, but he was not. they wanted to see it, so he made it and went there to show the program.
Soon after he dropped out from harvard to work at MITS -
In 1980, IBM asked Gates to create an os for their new pc, the ibm pc. he first created 86-DOS, and modified it, then called it PC-DOS which he gave to IBM for $50,000
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Microsoft launched its first retail version of Microsoft Windows on November 20, 1985, and in August, the company struck a deal with IBM to develop a separate operating system called OS/2, nut a partnership began to fall apart, and Gates made a new version of OS/2
