Click the From Design Template option in the New Presentation task pane. (If this task pane is not visible, open the File menu and select New.)
The Slide Design task pane opens; scroll through the available design templates and click the one you want to apply to the current slide.
The selected design appears on the slide, ready for you to begin working.
INTRODUCTION
PowerPoint comes with several presentation templates, designed for various types of presentations and situations. These templates have basic artistic features and usually a skeleton outline you can fill in or expand on. You can take advantage of these templates to quickly create presentations.
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Applying the Slide Design
If you click directly on a slide design in the task pane, it applies the design to all slides. If you select each slide in the Slide tab (the pane on the left) by pressing Ctrl while clicking each slide, you can select the Apply to Selected Slides option.
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Changing the Color and Animation Schemes
You can easily change the color and animation scheme of a design template by clicking the Color Schemes or Animation Schemes link, respectively, at the top of the Slide Design task pane.