You can obtain the latest player for your operating system if you visit the site below.
http://www.microsoft.com/windows/windowsmedia/download/default.asp
NOTE : It has been our experience that older systems, Pentium II and some Pentium III, have had trouble viewing the video using WM9 player. It was found that smoother viewing can be obtained if on these older systems, prior to upgrading, to try your current player by going to our video archive page and clicking on one of our past events.
When an older player attempts to play a video file encoded a newer format, it will prior to playing, connect to Microsoft and download the correct Codec.
Codec stands for Co mpression and Dec ompression.