- Open the PremierVPN Protect page on Firefox Add-ons.
- Click Add to Firefox, then Add.
- To keep it in your toolbar, click the puzzle-piece icon, then the cog next to PremierVPN Protect, then Pin to Toolbar.
Firefox for Android: open the same link in Firefox on your phone and tap Add to Firefox. You'll find Protect in the Firefox menu under Extensions.
Private windows: Firefox doesn't run add-ons in private windows unless you allow it. To allow it, open the Firefox menu, then Add-ons and themes, PremierVPN Protect, and set Run in Private Windows to Allow.