Liste todas as versões do nó mac
$ nvm ls
Cautious Centipede
$ nvm ls
node -v
OR
node --version
npm install -g n # Install n globally
n 0.10.33 # Install and use v0.10.33
nvm use {Node version}
nvm use --delete-prefix $NODE_VERSION
example:
nvm use --delete-prefix v8.9.4