brew install node@12 code example

Example: install node brew

brew update
#As a safe measure you should run brew doctor to make sure your system is ready to brew. Run the command below and follow any recommendations from brew doctor.

brew doctor
#Next, add Homebrew’s location to your $PATH in your .bash_profile or .zshrc file.

echo 'export PATH="/usr/local/opt/icu4c/sbin:$PATH"' >> ~/.profile
echo 'export PATH="/usr/local/opt/icu4c/bin:$PATH"' >> ~/.profile
#Next, install Node (npm will be installed with Node):

brew install node
node -v