validate Node installation with node -v.first version installed becomes default, to update default in the future run nvm alias default.Can also specify a certain version or nvm install node for latest version.This installs the latest long-term support version of Node, recommended for most users ( ).NVM is recommended to navigate between versions and to avoid permission issues when installing Node directly on Mac. Confirm you are using zsh with echo $SHELL, should output /bin/zsh.If you are using Bash or have Bash installed, your setup will be different. As of MacOS 10.15, ZSH is the default over Bash. Will prompt installation if not already installed.Installs automatically with Xcode CLT, but also important to validate installation was successful. Should see /Library/Developer/CommandLineTools/usr/bin/git.Run ls /Library/Developer/CommandLineTools/usr/bin/git.

validate full package installed via iTerm2 with xcode-select -p.This should be installed already via Step 1, but it's important to validate the entire package was installed. Terminal alternative for Mac, recommended to me and I’ve used it for years.

Mac terminal commands+github