If you do not have PowerPoint on your computer, you may download PowerPoint Viewer at this address:
http://www.microsoft.com/downloads/details.aspx?FamilyID=428d5727-43ab-4f24-90b7-a94784af71a4&displaylang=en

PowerPoint Viewer 2003 lets you view full-featured presentations created in PowerPoint 97 and later versions. You can view and print presentations, but you cannot edit them in the PowerPoint Viewer 2003.