# my crystal development environment - make sure nix is installed ```bash #go to the cloned repo #following will start your virtual shell ./start.sh #then in the shell open the hero shell (based on nushell, will set all paths to make this dir sandboxed) ./hero_shell.sh #if you want hero and mycelium do herotools install_hero #if you want mycelium herotools install_mycelium #install v & crystallib herotools install_crystal ```