Answers for "how to craete laravel 8 project"

new laravel 8 project

composer create-project laravel/laravel example-app

This will install with the latest version of laravel

laravel create project

After Installing Composer 

composer create-project laravel/laravel myproject

//for authentication using jetstream etc.

composer require laravel/jetstream

//set database in .env file
php artisan migrate

php artisan serve