install mongodb on your local system if not done before by following this link

mongodb install guide

after this type the command below in your terminal (ps-node must be installed in your local system)

Fork the repository and clone it.

Open your favourite Code Editor and write the following code to clone it

git clone <your forked Repo url>

After cloning , type

cd XMEME
npm install

this may take few seconds.

npm start

Now,open google chrome and enter localhost:8081 to navigate the site.