To Add Slide Transitions to Your PowerPoint Presentation:

• Switch to the Slide Sorter View.
• Choose the slide you to which you would like to add a transition effect.
• Choose the Transition tab on the Ribbon.
• Choose your desired transition effect.    A symbol will appear below the slide in the right hand corner indicating a transition effect has been added to that slide.  You can preview the transition effect by choosing Preview on the Ribbon.
• Choose Duration under the Transition tab to set a speed setting for the transition.
• Choose Apply to All under the Transition tab  if you would like to apply the same transition effect to all the slides in your PowerPoint presentation.