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npx create-react-app <app_name>
cd <app_name>
npm start
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## Open your Terminal and put these commands, then hit Enter
npx create-react-app my-react-app
cd my-react-app
npm start
## Then open http://localhost:3000/ to see your app.
Creating react app using cmd
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npx create-react-app my-app
cd my-app
npm start
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npx create-react-app app-name // To create new React app
npm start // To start/run react app
// If react app/project is downloaded from some other source make sure to
// run below command first to install dependencies.
npm install