composer create-project --no-install drupal/recommended-project my_site_name_dir
- Change directories to my_site_name_dir and edit the composer.json file to suit your needs. For example, to change the sub-directory from 'web' to something else, the keys to modify are the 'extra' sub-keys 'webroot' and 'installer-paths'.
composer installto download Drupal 8 and all its dependencies.
git clone https://github.com/drupal/recommended-project.git
composer require drush/drush