create two folder client and server folder //create react app in client folder

md client or mkdir client cd client create-react-app ./

SERVER FOLDER cd.. md server cd server //initialize package.json in server folder npm init -y //install dependencies cors nodemon express socket.io npm install --save cors nodemon express socket.io

//go to package.json file //write below line under script block{} for contineous running of node server "start": "nodemon index.js",

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CLIENT FOLDER cd.. cd client //install dependencies npm install --save react-router socket.io-client react-scroll-to-bottom react-emoji query-string //delete src folder and create new src folder //create new index.js and app.js inside src folder