Members of the Windows 1.0 team at their 40-year reunion this week. L-R, kneeling/sitting: Joe Barello, Ed Mills, Tandy Trower, Mark Cliggett, Steve Ballmer (holding a Windows 1.0 screenshot) and Don ...
On November 20, 1985, Windows 1.0 shipped for the first time, marking the beginning of a Windows era that reshaped personal computing. Today, on November 20, 2025, Microsoft is celebrating 40 years of ...