The software that helped build Microsoft into what it is today has been open-sourced on GitHub. The release marks 45 years ...

The company worked with IBM to release a 1998 uncompiled version DOS 4.0 on Thursday, although unfortunately, this release lacks the app-switching capabilities that landed it the nickname MT-DOS.

As the forerunner to the graphical user interfaces in Microsoft’s Windows platform, MS-DOS helped set the stage for the company’s dominance in the PC software market. When MS-DOS was released in 1981, ...

If you think messing around with the user-interface of a modern console, or even a modern iteration of Windows is hard, spare a thought for anyone involved in PC gaming during the 1980s and early 90s.