Microsoft and IBM reportedly escalated a TAB key disagreement to executives during OS/2 development, revealing major cultural ...

DOS 1.00, made available as an open-source project on GitHub. The release marks the 45th anniversary of 86-DOS 1.00, created by Tim Paterson, which would later be licensed to IBM as PC-DOS and then ...

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 big cheese Satya Nadella is backpedalling on recent changes to Windows, hoping to win back “fans”. I’m going to ...

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 ...