Download the example or clone the repo:

curl https://codeload.github.com/mui/material-ui/tar.gz/master | tar -xz --strip=2 material-ui-master/examples/material-ui-cra
cd material-ui-cra

Install it and run:

npm install
npm start

or:

This example demonstrates how you can use Create React App with Material UI. It includes @mui/material and its peer dependencies, including Emotion, the default style engine in Material UI v5. If you prefer, you can use styled-components instead.

You now have a working example project. You can head back to the documentation and continue by browsing the templates section.