Unity Tweak Tool is a handy utility for Ubuntu users. It has many features that will help you to tweak your Ubuntu looks. As you know, Unity creates many problems for users who switch from older Gnome to this Ubuntu developed desktop experience. But don’t worry, simply install this Unity Tweak Tool and you will simply love it.
With Unity Tweak Tool, you can modify the Launcher appearances, panel, switcher, change Ubuntu theme and icons, and many other things. You can install Unity Tweak Tool via Ubuntu Software Manager. Type Unity Tweak Tool on the search box and press Install on the search result.