brew install fnm
then echo 'eval "$(fnm env --use-on-cd)"' >> ~/.zshrc fnm completions --shell zsh
echo 'eval "$(fnm env --use-on-cd)"' >> ~/.zshrc
fnm completions --shell zsh
fnm list-remote
fnm list
fnm install --lts
fnm install 18.~~~
eg) set default version
fnm install lts fnm default 18