Tools Menu

Choose Tools - Language - Hyphenation.

Choose Slide Show - Custom Slide Show and then click New.

From the menu bar:

Choose Tools - Presentation Minimiser.

From the tabbed interface:

Choose Slide Show - Minimise Presentation.

On the Slide Show menu of the Slide Show tab, choose Minimise Presentation.

From toolbars:

Icon Presentation Minimiser

Presentation Minimiser