Firefox add-ons are "extension" modules (most are free) which enhance or give additional functionality to Firefox. Firefox add-ons can customize your web browsing experience to your specific needs with the huge assortment of tools and special modifications.

The following Firefox video tutorial will guide you through the following steps…
1. Find the location of Firefox 3 web page that has the full assortment of add-ons
2. Search for and choose the Firefox 3 add-on of your choice
3. Select, download and install your selected Firefox 3 add-on