1. System Requirement

1. Install node.js and npm.

2. check the version

              node -v
              npm -v
              

2. Create New project

              npx create-react-app reactproject  
              

3. Run the project

              cd reactproject
              npm start 
              

browse http://localhost:3000/ in browser

1. node_modules: It contains the React library and any other third party libraries needed.

2. public: It holds the public assets of the application. It contains the index.html

3. src: It contains the App.css, App.js, App.test.js, index.css, index.js, and serviceWorker.js files.

4. package.json: It holds various metadata required for the project. It gives information to npm, which allows to identify the project as well as handle the project?s dependencies.