Microsoft Office PowerPoint Viewer
The 12.0.6654.5000 version of Microsoft Office PowerPoint Viewer is provided as a free download on our website. Our built-in antivirus scanned this download and rated it as virus free. The program is included in Photo & Graphics Tools. This software is an intellectual property of Microsoft.
From the developer:
Microsoft Office PowerPoint Viewer lets you view full-featured presentations created in PowerPoint 97 and later versions. This viewer also supports opening password-protected Microsoft PowerPoint presentations. You can view and print presentations, but you cannot edit them in the PowerPoint Viewer 2007.
You may want to check out more software, such as Learning Essentials for Microsoft Office, pptPlex from Microsoft Office Labs or Microsoft Office Visio Viewer, which might be similar to Microsoft Office PowerPoint Viewer.