npx create-react-app my-app // npx on the first line is not a typo
cd my-app
npm start
mkdir new-react-app
cd new-react-app
npm init --y
npx create-react-app my-app // npx on the first line is not a typo
cd my-app
npm start
mkdir new-react-app
cd new-react-app
npm init --y