Download using the GitHub.zip download option and extract the .zip
file to the themes directory i.e. ~/.themes/
or /usr/share/themes/
(create folders it if necessary).
You can use Gnome Tweaks
to activate the theme.
sudo apt install gnome-tweak-tool
or
sudo apt install gnome-tweaks
- After this, search for Gnome Tweaks in yours applications
- Open Gnome Tweaks and go to
Appearance
- Select
Gtk-main
and the theme will be applied - If you want the shell to look the same as the theme, you need to install the User theme extension and activate it in
Gnome Tweaks
then as in the image below.