Use the options on the Slide Show tab of the ribbon to open a presentation for full-screen viewing.
With your presentation open, tap Slide Show on the ribbon.
Tap From Beginning or From Current Slide.
Swipe left to advance to the next slide.
Swipe right to go to the previous slide.
Tap and hold to get the laser pointer onscreen.
Connect to a projector
Use an HDMI adapter to connect your tablet to a projector so that you can present on a large screen.