First you have to download the files, click on download as zip..it will start your download
You will need to have npm package manager and node js installed on your computer.
So in src folder, you will find two folders with the name of # Projects and # Api projects. Api projects are those involving external apis and fetching data from api. while 2nd folder it do not have projects involving Apis...
Go to the folder and type # npm-install , it will install all the required packages and files to run the project and you have to wait for few minutes or maybe less. then type # npm start and it will load the projects into your browser
go to index.js and change the directory of any app you want to load , also you have to look for context api, if context api.js exists in that folder you have to change this as well in index.js