./src/Routes.js Module not found: Can't resolve 'react-router-dom' in '/home/harremking/TOP REACT/react-router-dom/src' code example

Example 1: Module not found: Can't resolve 'react-router-dom'

npm install react-router-dom --save

Example 2: Module not found: Can't resolve 'react-router-dom'

npm i react-router-dom --save