This quick tutorial is going to show Gnome Desktop beginners how to enable the ‘Shell theme’ drop-down box in the Gnome Tweak Tool. A Gnome Shell theme changes shell buttons, colors, panels, etc. The setting is disabled by default in Gnome Tweak Tool, and you’ll see the prompt “Shell user-theme extension not enabled” when you… Continue reading Enable ‘Shell theme’ in Gnome Tweak Tool in Ubuntu