You can use the Control bar buttons, mouse and the arrow keys on your keyboard to switch slides.
To switch to the next slide, do one of the following:
–On the Control bar, click
Forward.
–Scroll the mouse wheel toward you.
–On the keyboard, press Space, Enter, →, ↓ or Page Down.
–Left-click the slide.
–If the presentation is being shown in presenter view, left-click the next slide (the slide in the area to the right).
To switch to the previous slide, do one of the following:
–On the Control bar, click
Back.
–Scroll the mouse wheel outward.
–On the keyboard, press Backspace, ←, ↑ or Page Up.