Install next js app react 2021

You need to install node js before create next js project

start your terminal/command prompt and run 

npx create-next-app@latest

after, you need enter project name

next-new-pro


cd next-new-pro

npm run dev

open in your browser
localhost:3000

Install typescript react app

npm -v

npx create-react-app my-app --template typescript

 

cd my-app

 

yarn start

localhost:3000