To personalize a presentation, navigate first to Presentations >> Library:
In the Library, find the presentation you want to personalize and click the presentation's title:
On the next page, you'll see the contents of the presentation and the option to "Edit:"
Edit will duplicate the presentation and allow you to:
- hide certain slides
- reorder the slides
Be sure to "Save" your presentation with a unique title:
Customized presentations will be available under Presentations >> Library >> My Presentations: