Add-ons, or plug-ins, are little programs you can add to IE4. These programs help IE4 play certain types of audio and video, or display special graphics. Neato, right? Well, it gets even better.
Most of these add-ons are available for free. Free? Are you sure? You know I would never abuse that four-letter word. If you don't believe me, go to IE4's add-on page. All the best add-ons are available there.
Give IE4 more "gee-whiz" power by installing the latest Add-Ons.