How do I fix NPX create react app?

So the first thing you should try is, well, the commands above.

Yes, it is compulsory to run npx-create app as it set up your project file. It downloads all components, node_modues which you required while using react.

Create React App npx on the first line is not a typo — it’s a package runner tool that comes with npm 5.2+ . Create React App doesn’t handle backend logic or databases; it just creates a frontend build pipeline, so you can use it with any backend you want.