use build_win.bat inside a native tools command prompt for VS 2----
install VS 2019 community edition
use build_win.bat inside a native tools command prompt for VS 2019 to build the executable
run "build_win.bat test" to make sure everything is tucked in place
run "build_win.bat dist" to create an installer that will install your local version of janet on any computer that runs windows. its an msi file. not there?
click on advanced and realize there is not much there and you just click on next until
realize VS Studio Code is still running an instance of janet
click on the trash can
wait for a long time, finally also close VS Code, the, uh WiX installer and then suddenly the Janet installer you just brewed up jolts up to the finish line:
click Finish
enjoy pressing alt+e to evaluate the current SEXpression and alt+l for evaling the whole file in VSCode using the vscode-janet extension (https://github.com/janet-lang/vscode-janet) while being served by your very own, personally compiled and put together: janet.exe -s (the -s is so it's using RAW standard input ;D