Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...

Microsoft just released the source code for 86-DOS 1.00, made available as an open-source project on GitHub. The release ...

Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...

Microsoft VP confirms transcribed document “is perfect and recompiles byte for byte to the original binaries.” ...

Last month, Microsoft released a modern remake of its classic MS-DOS Editor, bringing back a piece of computing history that first appeared in MS-DOS 5.0 back in 1991. The new open source tool, built ...

What would Steve Ballmer say? Early Microsoft OS developer David Plummer has told his YouTube viewers that he thinks it is time that Vole open source MS-DOS and 16-bit Windows. Plummer started his ...

It might seem like the days of MS-DOS were a lifetime ago because…well, they basically were. Version 6.22 of the venerable operating system, the last standalone release, came out back in 1994. That ...

On this day in 1975, Bill Gates and Paul Allen founded a company called Micro-Soft in Albuquerque, New Mexico. The two men had worked together before, as members of the Lakeside Programming group in ...

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 ...

After a lot of debugging, [Seth Kushniryk] has managed to get the last issuess shaken out of his port of MS-DOS 2.0 to the Apple II, and has released the project to the public. If you have the ...

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.