View remote available versions of Node.
nvm ls-remote
View local installed versions.
nvm ls
Install the latest available version of Node.
nvm install node
Install a specific version.
nvm install <version number>
Example.
nvm install v11.14.0
Switch to latest installed version.
nvm use node
Switch to a specific version of Node.
nvm use <version number>
Example.
nvm use v11.14.0