OpenCMD is alpha software not intended as a daily driver shell. It is however getting frequent features and fixes.
Install make with Chocolatey and run run.bat.
Anyone who wants to contribute by either submitting issues or pull requests is welcome, as long as they follow our code of conduct.
OpenCMD aims to be a reimplementation of CMD.EXE. Rather than fully reimplementating it, OpenCMD aims to be "good enough" to run most CMD.EXE scripts. That is still a large project, but a lot smaller than trying to fully reimplement CMD.EXE.