How to change theme in Ubuntu 16.04/17.10

To change the theme in Ubuntu 16.04 or 17.10, you can follow these steps:

1. Open the Unity Dash and search for "Appearance ".
2. Open the Appearance Settings.
3. In the Appearance Settings window, click on the " Themes " tab.
4. You will see a list of available themes. To select a different theme, simply click on it.
5. You can also install new themes by clicking on the " Get more online " button. This will open the Ubuntu Software Center, where you can browse and install new themes.
6. After you have selected a new theme, it will be applied immediately. You can also customize the theme further by clicking on the " Customize " button in the Appearance Settings window.
7. If you want to revert to the default Ubuntu theme, simply click on the "Ambiance" or "Radiance" theme in the Themes tab.

rnThat's it! You have successfully changed the theme in Ubuntu 16.04 or 17.10.