You can start your slideshow either by clicking on the FROM BEGINNING button on the SLIDE SHOW tab or you can start the presentation by pressing the F5 key on your keyboard. The best way to navigate from slide to slide is to click the mouse button. However, you can also move around within the Slide Show using the keyboard. Press the SPACEBAR, DOWN ARROW, or RIGHT ARROW key to move to the next slide. Press the PAGE UP or LEFT ARROW key to go back to the previous slide. You can also press the ESC key to end the presentation at any time.