Microsoft Releases Source Code of MS-DOS and Word for Windows


If you’ve grown up in the 90’s, you must be familiar with MS-DOS and Word, two incredibly awesome software developed by Microsoft at the start of it being the global leader in software and OS market for decades to come. MS-DOS or Microsoft Disk Operating System was literally the start of Microsoft when they sold off the OS to then super power of entire computer industry, IBM and everybody who uses a PC is familiar with Microsoft Word, a word processing application that now comes as part of an office productivity suite.

Computer History Museum today, with permission from Microsoft Corporation, has released the source code of both MS-DOS and Word for Windows, in an attempt to give software development students an insights to software that changed the course of history.


We think preserving historic source code like these two programs is key to understanding how software has evolved from primitive roots to become a crucial part of our civilization

said Len Shustek, Chairman of Computer History Museum.

MS-DOS and Word for Windows built the foundation for Microsoft’s success in the technology industry. By contributing these source codes to the Computer History Museum archives, Microsoft is making these historic systems from the early era of personal computing available to the community for historical and technical scholarship

said Roy Levin, managing director, Microsoft Research in a press release by Computer History Museum.

Want to take a look at software that changed the world? There you go:

Source code of Microsoft MS DOS.

Source code of Word for Windows.


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