MS Power Point
Your presentation is ready to go, but you don't know if PowerPoint is installed on the computer, you will use to present with what's the safe way
Set up your presentation to be ‘browse as a kiosk’
Select the slides thumbnails in that section, and apply a different color scheme
All of above
Select the slide thumbnails in that section and apply a different design template
Select one of the slide in the section you want to change, customize the fonts and colors, and use the format painter tool to apply those styles to the other slides in the section