Adobe® Acrobat® Reader® is free software that lets you view and print Adobe Portable Document Format (PDF) files. The download is free of cost, but you do need to provide some information. On a Mac, it should automatically decompress and decode itself. If you do not see this item on your desktop, choose Find... from the File menu and search for "Reader."

http://www.adobe.com/products/acrobat/readstep2.html

Windows Media Player offers the best audio and video to millions of Mac and PC users.

http://www.microsoft.com/windows/windowsmedia/download/

The free QuickTime Player is an easy-to-use application for playing, interacting with or viewing video, audio, VR or graphics files. On a Mac, it should automatically decompress and decode itself. If you do not see this item on your desktop, choose Find... from the File menu and search for "QuickTime Installer."

http://www.apple.com/quicktime/download/

RealOne Player - The free version of RealOne Player lets you play the latest media formats.

http://www.real.com/realoneplayer.html

Download Winzip to zip and unzip files such as those found on our screensaver page.

http://www.winzip.com/ddchomea.htm

Macromedia Flash Player 6 - The leading rich client for Internet content and applications across the broadest range of platforms.

http://www.macromedia.com/shockwave/download/