Create React App command

npx create-react-app my-app
cd my-app
npm startRUN IN CMD

npm install -g create-react-appnpm install -g react-cli react
npx create-react-app app-name
cd app-name
npm startnpx create-react-app mon-app
cd mon-app
npm startnpx create-react-app hello-world
cd hello-world && npm start