Where can design templates be found in PowerPoint?

Design templates in PowerPoint can be found in the Design tab under the Themes section. This is the designated area where users can access a wide variety of pre-designed themes, which include coordinated color schemes, fonts, and effects that are intended to create a cohesive look across a presentation. By selecting a theme from this section, users can easily apply a professional design aesthetic to their slides, enhancing both visual appeal and readability.

The Design tab is specifically meant for altering the overall look of the presentation, making it the correct choice for accessing design templates. It provides options for customizing aspects like background styles and layout options, which are essential for effective presentation design.