Windows media (.avi)
Microsoft Windows Media Player®. Needed to view some videos. To download and install the software go to Microsoft Download Center. If the video is an .avi file, this is not a “streaming” format, i.e. the viewer must download the complete file before it will start to play. http://www.microsoft.com/windows/windowsmedia/download/

QuickTime Movie (.mov)
Apple's technology for handling video,and audio.
http://www.apple.com/quicktime/download/

QuickTime Movie (.mov)
Apple's technology for handling video,and audio. Requires QuickTime Player®, available free from Apple.