Microsoft has blown the dust off the source code for a version of Bill Gates' first-ever operating system

Specifically, it's a port of BASIC, the OS that founders Bill Gates and Paul Allen developed for use on the Intel ...

Microsoft Goes Back to BASIC, Open-Sources Bill Gates’ Code

Microsoft called the code—written by the company’s founder, Bill Gates, and its second-ever employee, Ric Weiland—”one of the ...
ZDNet

Microsoft takes you back to 1983: It's just open-sourced its GW-BASIC interpreter

Having re-open-sourced MS-DOS on GitHub in 2018, Microsoft has now released the source code for GW-BASIC, Microsoft's 1983 BASIC interpreter. GW-BASIC can trace its roots back to Bill Gates' and Paul ...