To see the current slide in Normal View, click the Play button at the bottom of the Animation Schemes pane.
To play from the current slide to the end of the slide show in full screen, click the Slide Show button at the bottom of Animation Schemes pane.
To see the entire slide show, choose Slide Show > View Show from the menu or press the F5 key on the keyboard.
See Related Article - Apply Custom Animations in PowerPoint
Complete 11 Part Tutorial Series for Beginners - Beginner's Guide to PowerPoint
