Things You Will Need
-Latest version be downloaded for free at Mozilla.org
First, you must navigate to the Mozilla site to install add-ons. Go to Mozilla.org, click on Firefox, then on the Add-ons button on the top toolbar. You should now be on the add-ons page; from here you can search and browse through the many add-on options for Firefox.
Step 2Once you find an add-on you like, click on it, then click on the green "Add to Firefox" button. A confirmation screen will come up. After you confirm and download the add-on, you will probably have to restart Firefox, which means simply closing the current Firefox window and opening another one.
Other add-ons are available to enhance personas, notably personas rotator, which changes persona skins periodically, and personas expressions, which gives a few new features like ability to change persona font colors.
Step 5Try out other add-ons. Add-ons can serve a wide variety of functions: ones like Adblock Plus stop annoying adverts from disrupting your browsing, DownThemAll is a great download manager that increases the speed and ease of downloading, and ImTranslator translates webpages in foreign languages while you browse. Some add-ons allow you to perform specific tasks better; for example, the Wikipedia toolbar helps you browse Wikipedia.
Step 6Search through the database of add-ons until your browser is just the way you want it.