Check your version
This tutorial covers a topic in Drupal 7 which may or may not be the version you're using. We're keeping this tutorial online as a courtesy to users of Drupal 7, but we consider it archived.
In this lesson we cover the basics of using Display Suite to modify the layout of a particular content type. We cover all the potential templates, adding classes to regions, and lots of configurations to set to taylor the layout to your needs. We also discuss how you can create your own template files and layouts for your own customizations.