On May 24, 2026, Microsoft announced the availability of the earliest known source code for DOS on its open-source platform. This initiative aims to enhance accessibility for both developers and historians interested in the origins of software.
The release is seen as a milestone in the effort to preserve software history, offering insights into the foundational elements of DOS. Developers can now explore the code, potentially learning from its structure and functionality.
This move underscores Microsoft's commitment to open-source principles and reflects a growing trend in the tech industry to make historical software available for educational purposes.