Answered By: Elizabeth Leonard
Last Updated: Feb 26, 2018     Views: 21

 

  1. Download the attached file to your local computer.
  2. Click the menu button Fx57menu and choose Fx57Addons-icon Add-ons. The Add-ons Manager tab will open.

  3. In the Add-ons Manager tab, select the Extensions panel.
  4. To add the downloaded add-on to the list of available add-ons, drag and drop the file into the Add-ons window. The add-on is added to the list.
  5. The installation process should begin.

If you need more assistance, see the instructions provided by Mozilla to install the add-on extension manually.

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