How to View Photos in a Slide Show in Photoshop Elements
Set up your slide show and/or enter Full Screen view.
Open the Organizer.
Select images that you want to see in a slide show or use all the images in the Organizer for your slide show.
Click the Slideshow button at the bottom of the Organizer window or press the F11 key (Command+F11 on the Mac).
After choosing the menu command, you jump right into the Full Screen view with some panels and tools displayed.
View the slides.
Exit the Full Screen view and press the Esc key on your keyboard to return to the Organizer window.