how do i include a link to bootstrap in react js code example

Example 1: add bootstrap to react

1.run commnad in cmd
npm install bootstrap --save

2.after install add this to index.js
import 'bootstrap/dist/css/bootstrap.min.css';

Example 2: react bootstrap do you need to import

1.run command in cmd
npm install react-bootstrap bootstrap

2.after install add this to index.js
import 'bootstrap/dist/css/bootstrap.min.css';

//You may want to add individual components like 'Navbar',
 // or 'Button' rather than the entire library.
3. add this, or similar to the js files that would be using the individual components
import {Navbar, Nav, Button} from 'react-bootstrap';