Make sure you have the latest version of node.js and npm installed. Prerequisites I assume that if you are going to make your npm package, you already have installed node and npm. npm ERR! they're used to log you in. But on forums people advise against it. Learn more, After create-react-app, `npm start` not work. Find the best open-source package for your project with Snyk Open Source Advisor. With NodeJS/NPM installed on your machine, you can just run the following command: 1 npm install -g create-react-app It is recommended to install create-react-app globally so that it can be used at any location and for creating multiple React projects. Add watch task into the … @rutikwankhade But do I need to downgrade react-scripts to 2.1.8 every-time I create a new application using create-react-app? If you don’t experience the problems described above or don’t feel comfortable using JavaScript tools yet, consider adding React as a plain