There are 3 ways to install Nation theme:
- Full Demo Installation: The fastest and easiest way to get your site 100% like our demo at https://demo.drupalexp.com/8/nation
- Profile Installation: The way will help you to install new Drupal which automatically enable all requires modules, themes and create all necessary information such as: view mode, views, content type, config along with Nation theme. You should apply this way when you want to install a fresh Drupal with Nation theme without include data.
- Existing Site Installation: install theme on existing site which and now you want to use Nation theme.