If the New Presentation
task pane isn't displayed, on the File menu, click New.
Under New, click From Design Template.
In the Slide Design task pane, click a design template that you'd like to apply.
If you want to keep the default title layout for the first slide, go to step 5. If you want a different layout for the first slide, on the Format menu, click Slide Layout, and then click the layout you want.
On the slide or on the Outline tab, type the text for the first slide.
To insert a new slide, on the toolbar, click New Slide 
, and click the layout you want for the slide.
Repeat steps 5 and 6 to keep adding slides, and add any other design elements or effects you want.
To save the presentation, on the File menu, click Save; in the File name box type a name for the presentation, and then click Save.
Note If you have created a template, it will appear, in alphabetical order according to what you named it, among the Microsoft PowerPoint templates in the Slide Design task pane.
Tip
To apply an additional design template to selected slides, select the slide thumbnails (Slides tab), point to the design template you want in the Slide Design task pane, click the arrow, and then click Apply to Selected Slides.