create new react app use npm code example
Example 1: npm create react app
npx create-react-app app-name
cd app-name
npm start
Example 2: react create app
npx create-react-app my-app
cd my-app
npm start
npx create-react-app app-name
cd app-name
npm start
npx create-react-app my-app
cd my-app
npm start