{nav icon=home, name=Main Page > icon=wrench, name=Troubleshooting > Firefox compat mode} Enable Firefox compat mode to install add-ons from Mozilla add-on website --- Open `PureBrowser` and type **//about:config//** into location bar and hit Enter, a warning will popup: {F32076, size=full, alt=ff1} Click !!I'l be careful, I promise!!! button, and type **//useragent.compat//** into the search bar, then double-click the preference to change its value to **true**: {F32078, size=full, alt=ff2}