How to use multiple node versions in macOS

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Install via Hombrew

brew install node@<version>

# latest version
brew install node

# LTS 12
brew install node@16

# 18
brew install node@18

Check current version of node

    node -v # v13.11.0
    which node # /usr/local/bin/node => /usr/local/opt/node@<version>/bin/node

Add an alias to your .zshrc or .bash_profile for each installed Node version. Node is installed at /usr/local/opt/node@<version>/bin

alias node13='export PATH="/usr/local/opt/node@13/bin:$PATH"'
alias node12='export PATH="/usr/local/opt/node@12/bin:$PATH"'
alias node10='export PATH="/usr/local/opt/node@10/bin:$PATH"'

Now, to switch between the node versions, enter an alias node10 in your terminal. Execute node -v to verify that you are now using the correct node version.