Install Jai
Download the latest version from www.jai.ch and
extract the zip file to a directory of your joyce.
In order to run Jai in a browser start index.html.
If you hava JDK or JRE installed, start Jai as an application :
java -classpath {yourDirectory}\jai.jar jai.Gui
Uninstall Jai
Simply delete the directory where you installed Jai, as well as all shortcuts pointing to it.