//To see all versions of Node that are installed on your machine use the command: $ npm -v //To see versions installed on machine $ nvm ls -> v16.1.0 system default -> node (-> v16.1.0) iojs -> N/A (default) unstable -> N/A (default) node -> stable (-> v16.1.0) (default) stable -> 16.1 (-> v16.1.0) (default) // add a new version $ nvm install <version> // to switch to a different verison $ nvm use <version>