There are three types of dynamic media that might require plugins to use.
Each type is described below with a link to were to get the plugin.
Where to find plugin
The vast majority of the media are written Sun Microsystem's Java 2
Language (Version 1.6.0). This is a programming language that is
largely platform independent (it runs on most systems nearly
identically). Many browsers and operating systems (such as Firefox
and Apple) come with Java preinstalled. However, particularly for
Windows and Internet Explorer it may be necessary to install the Java
Check this page. If the activity launches and creates a new
window with a color wheel on it, you do not need to install Java.
A few activities us Adobe's (formerly Macromedia's) flash player.
Many browsers now come with this plugin. You might not need to
install it. Check
this activity. If it works (you will see two people standing
on a grid). Then you need not need to install this plugin.