Manage add-ons in Firefox

  1. Open your Firefox browser.
  2. Type about:addons in the address bar and hit enter.
  3. Click Extensions from the left sidebar to open the add-ons tab.
  4. In this tab, you can disable, remove or access the preference of each add-on.
  5. To search for new add-ons, just type in the 'Search all add-ons' textbox, hit enter and click the Install button of a particular add-on you want to install.
Manage add-ons in Firefox