Adding a new Slide Master to your presentation is easy, and an even easier way is to possibly duplicate an existing Slide Master. You can then format it to change its look by applying a Background Style or by adding a custom background. You can also add new Slide Layouts, etc. But why would you do all these tasks in the first place?
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.
Microsoft Windows
Applying Slide Masters to Individual Slides in PowerPoint 2013
Applying Slide Masters to Individual Slides in PowerPoint 2010
Apple Mac
Applying Slide Masters to Individual Slides in PowerPoint 2011

Tutorial Code: 04 07 09
Previous: 04 07 08 Applying Slide Masters to Slides
Next: 04 07 10 Preserving Slide Masters
