Microsoft earlier today, in collaboration with IBM, announced that it is open-sourcing the MS-DOS 4.00 source code. The company has explained what was special about it and how to run it. Recently, we ...

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A decade after releasing the source code for MS-DOS 1.1 and MS-DOS 2.0, Microsoft has open sourced a (slightly) more recent operating system: MS-DOS 4.0. First released in 1988, you can now download ...

We’re not 100% sure which phase of Microsoft’s “Embrace, Extend, and Extinguish” gameplan this represents, but just yesterday the Redmond software giant decided to grace us with the source code for MS ...

TL;DR: Microsoft will likely never release the original source code of Windows into the wild, but the company is clearly interested in sharing important episodes of its software development history.

Several times in the last couple of decades, Microsoft has released source code for the original MS-DOS operating system that kicked off its decades-long dominance of consumer PCs. This week, the ...

Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988’s MS-DOS 4.00, a version better known for its unpopularity, ...

Microsoft on Tuesday released the earliest known DOS source code materials found to date to mark the 45th anniversary of 86-DOS 1.00. The new software preservation effort announced on the Microsoft ...

PCWorld demonstrates how Windows 11 users can run classic PC games from the 80s and 90s using DOSBox, a free emulator that simulates MS-DOS environments. DOSBox supports vintage titles like ...