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 20th, 1985, a then not-so-big company called Microsoft announced that Windows was commercially available. Read the full story of the Microsoft operating system below. Windows 1 to 11: The ...

What comes to mind when you look back at the history of Windows? Is it the iconic logos, the ever-changing Start menus, or maybe the introduction of Live Tiles? The story of Microsoft’s flagship ...

Windows 1.0 officially released to the public 40 years ago today (November 20), and despite its age, still has some common similarities with what users can expect from the operating system today.

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.

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, ...