Checkout this repo, install dependencies, then start the gulp process with the following:
> git clone https://github.com/prabhu-08/reactjs-youtube-sample.git
> cd react-youtube
> npm install
> npm start
Click here then download the .zip file. Extract the contents of the zip file, then open your terminal, change to the project directory, and:
> npm install
> npm start
Credit: Stephen Grider Udemy React cource