Download Firefox Sistemụ na Asụsụ Gịnị Dị Ọhụrụ Nzuzo Ntọala Customization Customize product appearance and functionality to suit your preferences. Dum All articles and threads Import and export settings Customization Add-ons, extensions, and themes Na Bekee Customize Firefox controls, buttons and toolbars Restore the Menu bar in Firefox Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Font size and zoom - increase the size of web pages Use themes to change the look of Firefox Change the fonts and colors websites use