Rashell is an Open-Source command processor for Windows. It is available here: https://github.com/jcplaboratory/rashell
This software is developed and maintained by the J.C.P Laboratory.
Rashell-Installer (rsh-installer) is licensed under the GNU General Public License v3.
Follow the on-screen instruction to install Rashell.
Please note that the binary file of Rashell should be found at /bin/rsh.exe.