How To Install Numix GTK Theme in All Linux

Requirements

• GTK>=3.20
• gnome-themes-extra (or gnome-themes-standard)
• Murrine Engine – The package name depends on the distribution.
  • gtk-engine-murrine on Arch Linux
  • gtk-murrine-engine on Fedora
  • gtk2-engine-murrine on openSUSE
  • gtk2-engines-murrine on Debian, Ubuntu, etc.
• sassc — build dependencies

Install dependencies

Debian/Ubuntu and other distributions using the apt package manager：

sudo apt install gnome-theme-extra gtk2-engines-murrine sassc

Archlinux

sudo pacman -Syu gnome-themes-extra gtk-engine-murrine sassc

RHEL/Fedora/CentOS

sudo dnf install gnome-themes-extra gtk-murrine-engine sassc

openSUSE

sudo zypper install gnome-themes-extra gtk2-engine-murrine sassc

Install

zip package installation

You can download the zip archive here.

Extract the zip file to the themes directory i.e. /usr/share/themes/ or ~/.themes/ (create it if necessary).

set theme

Switch to the Orchis theme using Gnome tweaks or your favorite theme management tool.
or use the GSettings command:

gsettings set org.gnome.desktop.interface gtk-theme Numix