Customizing your PowerPoint Interface is something that lets you place your favorite commands at a position that is easily accessible to you. PowerPoint lets you customize in various ways including adding custom Toolbars and then populating them with commands. In the same way, you can add your own menus, you then populate those menus with your favorite commands.
To learn more, choose your version of PowerPoint. If we do not have a tutorial for your version of PowerPoint, explore the version closest to the one you use.