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 ...

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 used Build 2026 to position Windows as a platform for building and running AI agents, expanding its developer focus beyond AI-assisted apps and into agents that can act across local devices, ...

Microsoft's Build 2026 Windows developer announcements point to a broader platform strategy for agentic AI, spanning terminal workflows, local models, app-building skills, Cloud PCs and operating ...

DOS, Microsoft is releasing the earliest known source code listings – transcribed from yellowed continuous printouts.

Windows isn't usually the operating system that comes to mind when the phrase "open source" gets thrown around, but make no mistake: many of the best Windows apps today are open source. Here are a few ...