How to enable Gnome desktop dark theme on Ubuntu 20.04 Focal Fossa Linux

The objective of this article is show how to switch the GNOME theme from light to dark on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:

  • How to switch GNOME theme to dark

Gnome desktop dark theme on Ubuntu 20.04 Focal Fossa Linux

Gnome desktop dark theme on Ubuntu 20.04 Focal Fossa Linux

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions
Category Requirements, Conventions or Software Version Used
System Installed Ubuntu 20.04 or upgraded Ubuntu 20.04 Focal Fossa
Software gnome-tweaks
Other Privileged access to your Linux system as root or via the sudo command.
Conventions # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ – requires given linux commands to be executed as a regular non-privileged user

Enable Gnome desktop dark theme on Ubuntu 20.04 step by step instructions



  1. Open gnome-tweaks tool

    Open the appearance settings by searching your Activities menu and clicking on the relevant icon.

  2. dark windows colors

    Switch to Dark theme by clicking on the Dark window color