Create a slide by placing Markers on the timeline by pressing "M" with your cursor in the timeline.
Auto Setup
Setup Scene adds a backdrop, two lights and a camera.
Controls (Presentation Mode)
Controls are Previous Marker > Play > Next Marker
Present maximizes your window and toggles gizmos and overlays to off.
Make sure you are in Camera View when you click on Present.
Exit "Present" mode press Ctrl+Atl+Space
Toggle Overlays with Shift+Alt+Z
Add Objects
Add text
Change text alignment
Add material - plane - cube - circle - sphere - grid - cylinder
Add camera - light - backdrop - image
Transition In
Animate in from above.
Animate in from below.
Animate in from left.
Animate in from right.
Scale in from 0.
Transition Out
Animate above and out
Animate down and out
Animate left and out
Animate right and out
Transition Effect
Add bounce effect
Add back effect
Add elastic effect
Cancel effect
Troubleshooting:
If your timeline Playback is set to Skip Frames, Slides will only stop on marker if Blender isn't skipping that frame. (Make sure Playback is set to Every Frame)