Interactive learning platform
You can download and install NodeJS from NodeJS.org. But it is preferable to use nvm instead since it makes it easy to handle different verions of NodeJS, follow the OS specific instructions on how to install nvm.
We you are done installing nvm make sure to install the correct NodeJS version. See the engines.node property of the package.json file for the necessary version.
Also run nvm alias default x.x.x to make sure that nvm uses a specific NodeJS version by default. Otherwise you will have to run nvm use x.x.x every time you open a terminal.
npm i -g commitizen
Run npm i from your repository's root.