Make sure you have Node.js and npm installed.
Download the node.js installer from Node.js.
After you install node.js(it contains also npm package manager) open a terminal and run the following command:
sudo npm install npm -g=> for Mac OS Xnpm install npm -g=> for Windows (be sure that terminal is open as administrator).
Go to directory where the project is saved and run the following commands:
-
npm install -
npm start