Some websites and apps will need pop-ups to be allowed on a Web browser in order to run properly. This guide explains how to allow all pop-ups from all websites. If you want pop-ups to be allowed on a specific website, follow the How to Set Trusted Sites in Firefox guide.
It is not advised that you enable pop-ups for all websites because this can be a security risk. It is better to allow them via trusted sites. Visit the How to Set Trusted Sites in Firefox guide for instructions.
Click the menu button in the top-right corner of your browser window.