How to Create a New PowerPoint 2007 Presentation from a Template
A template sets the background and design/style or a presentation (such as the font, color schemes, etc.). Microsoft PowerPoint includes the New Presentation dialog box which provides access to many templates types. You can use the templates to design your slides and presentations.
Open the New Presentation dialog box.
Click the Office button and choose New. You can choose your template using any of the following methods.
Use an installed template.
Click Installed Templates in the upper-left corner. Templates loaded on your computer when you installed PowerPoint appear in the dialog box. Double-click a template to create a presentation.
Search online at Microsoft
Make sure your computer is connected to the Internet, enter a search term in the Search box, and click the Start Searching button. Templates appear in the dialog box. Click a template to examine it. Double-click a template to download and use it to create a presentation.
Use a template you created (or downloaded earlier from Microsoft)
Double-click the My Templates button. The New Presentation dialog box appears. Select a template and click OK.