For some presentations, you might want to control the advance of every slide by clicking. For other presentations, you might want slides to advance automatically after a predefined amount of time. You can use the Rehearse Timings tool in PowerPoint 2013 to practice the timing of your presentation and record the advance of your slides as you go.
Open the presentation that you want to time and click the Slide Show tab.
In the Set Up group, choose Rehearse Timings.
The presentation begins to play, and the Recording toolbar appears in the upper-left corner of the screen.
Click Next when you are ...