Below is a list of typical plugins that may be required by your course. Follow the installation instructions provided by the software you are installing. A URL is suggested but not guaranteed.

Microsoft Media Player 7.1 (PC) or 7.0 (Mac)
http://www.microsoft.com/windows/mediaplayer/

RealOne Player
http://www.real.com/...

Macromedia Authorware version 5.2, Director and Shockwave/Flash version 8.5/5.0 http://www.macromedia.com/shockwave/download/alternates/

Adobe Acrobat Reader version 5.0
http://www.adobe.com/products/acrobat/readstep.html