#https://github.com/creationix/nvm
nvm ls #If you want to see what versions are installed
nvm ls-remote #If you want to see what versions are available to install
nvm current
nvm install <version>
nvm install 0.12.3
nvm install iojs 2.0.2
nvm use 0.10
nvm use <version>
nvm use iojs 2.0.2