Microsoft has released the MS-DOS 4.00 source code, binaries, disk images, and documentation. The source code, which is nearly 45 years old, has been released under the MIT license, allowing ...

Microsoft's version of MS-DOS 4.0 was originally released back in 1986 after a joint development with IBM for portions of the code, and a somewhat difficult relationship between the two at the ...

I'm trying to get BaK to run under Windows NT (SP 5) and it keeps telling me I don't have enough memory.I've tried various memory settings on the .pif ...

Microsoft, in conjunction with the Computer History Museum in Silicon Valley, has released the source code for MS-DOS 1.1, MS-DOS 2.0, and Word for Windows 1.1a. These programs are probably the ...

The source code from MS DOS 1.1 and 2.0, as well as Microsoft Word for Windows 1.1a, is made public under a non-commercial license that forbids re-publication elsewhere on the Web.

DR-DOS allowed me to run 4 instances of WWIV BBS on a 486DX2. Two Zyxel and two US Robotics modems. 20GB of downloads (on request, CD/tape library), 450 feeds/channels.

Working with the Computer History Museum, Microsoft is making the source code for MS DOS 1.1 and 2.0 and Word for Windows 1.1a available for non-commercial use.

Thanks to a collaboration between two vintage computer museums, the Apple II DOS source code, widely regarded as the seed that sprouted Apple as we know it, has been made available to the public.

Working with internet archivists and software enthusiasts, OSPO and Starfrost were able to find the full source code of MS-DOS 4.00, which Microsoft is now releasing together with Ozzie's beta ...