As Bill Gates packs up his desk and departs his full-time role with Microsoft, we round up some of the essential points you need to know in our guide.
Bill Gates information on ComputerWeekly.com
Video: As Bill Gates quits Microsoft, we discuss the past, present and future of Microsoft and Bill Gates, 26 June 2008
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What did Bill Gates ever do for me? IT managers speak out, 24 June 2008, by Cliff Saran
Ray Ozzie takes over from Gates at critical time for Microsoft, profile: 24 June 2008
Bill Gates: looking back on the road ahead, 9 June 2008, in-depth feature by Jack Schofield
Bill Gates gives final speech as Microsoft chairman, news: 6 June 2008
Bill Gates no longer richest man in the world, 6 March 2008
Bill Gates hails 'second digital age', 7 Jan 2008
Microsoft: after Bill Gates, news round-up: 11 July 2007
Video: Microsoft and Bill Gates - past, present, future
Video: The secret of Bill Gates' success
The BBC's Money Programme profiled Gates in 'The secret of Bill Gates' success', on Friday 20 June.
Video: Bill Gates' last day
Video: Bill Gates Praises Apple
Video: Bill Gates and Steve Jobs
Video: Bill Gates' speech to Harvard
Video: Trailer for Pirates of Silicon Valley
Antony Michael Hall portrayed Bill Gates in the 1999 TV movie, Pirates of Silicon Valley.