When you show a presentation, content is displayed one slide at a time, maximized to the full size of your screen. You can't edit content at this time. 
To show a presentation: 
 
1       Open the presentation. 
2       Choose View > Show Presentation. 
 
 
To  | 
Press  | 
 
move to the next slide  | 
Page Down (or click the slide)  | 
 
return to the previous slide  | 
Page Up (or Shift-click the slide)  | 
 
return to the first slide  | 
Home  | 
 
go to the last slide  | 
End  | 
 
end the presentation  | 
Esc 
The presentation reverts to the display mode in which it started.  | 
 
  
You can also navigate and end the presentation using the context menu. 
An embedded recording plays automatically when its slide is displayed.  |