How To Install Themes In Ubuntu 13.10

Sample via install Numix theme

sudo add-apt-repository ppa:numix/ppa
sudo apt-get update
sudo apt-get install numix-gtk-theme numix-icon-theme numix-wallpaper-saucy

Setting on Unity via unity-tweak-tool

sudo apt-get install unity-tweak-tool

Setting on Cinnamon via System Settings

• Menu => Preferences => Color

Refer

• http://satya164.deviantart.com/art/Numix-GTK3-theme-360223962
• http://itsfoss.com/how-to-install-themes-in-ubuntu-13-10/