Please check my post below for detailed steps. In this artical I'm going to illustrate in details how to create a single page application(UI) by using React, Redux and Router.

https://kunkkali.blogspot.com/2020/09/how-to-build-single-page-ui-application.html

Install dependencies

yarn install

Start development server

yarn start

Run on your browser

http://localhost:8088/

Build a production release

yarn run build