PC-DOS 1.00 would lead to Microsoft becoming computing's top dog Microsoft continues to embrace open source. The source code and annotations provide insight into the operating system's earliest days.

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 ...

Microsoft open-sourced 86-DOS 1.00 source code on GitHub for its 45th anniversary, according to PCWorld, including kernel and PC-DOS development snapshots. This historically significant software, ...

Do you remember Windows 1.0? Chances are, your answer is “no.” When Microsoft released the very first version of Windows nearly 25 years ago, on Nov. 20, 1985, it was late to the game and little used.

Ever wondered what owning a computer in the 1980s was like? Outside of nostalgia, it wasn’t the best. Until 1984, unless you were in some kind of strange lab or university, nearly everything was ...