The steps vary depending on your platform. For example: * iOS: [[Set Firefox as the default browser for iOS]] * Android: [[Set Firefox as your default browser on Android]] * Windows, Mac, Linux: [[Make Firefox your default browser]] If the standard instructions aren't working on a desktop OS, see: [[Setting Firefox as the default browser does not work - What to do]]. Any progress so far? Let us know whether that worked and/or where you're getting stuck.