1. Install Cario-Dock sudo add-apt-repository ppa:cairo-dock-team/ppa sudo apt-get update sudo apt-get install cairo-dock cairo-dock-plug-ins 2. Tweak Tools sudo apt-get install unity-tweak-tool sudo apt-get install gnome-tweak-tool 3. Download the theme Download Gnome-OSX-II-2-6.tar.gz Just copy the extracted file to a '.themes'-folder you make in your home directory. Then use Tweak-tool to select the GTK and shell theme. You may need to log out and log back in for changes to take effect! 4. Get the Icons sudo add-apt-repository ppa:noobslab/macbuntu sudo apt-get update sudo apt-get install macbuntu-os-icons-v9 sudo apt-get install macbuntu-os-ithemes-v9 Just copy the extracted file to a '.icons'-folder you make in your home directory. Then use Tweak-tool to select the icons. 5. For Animation effects Install and configure - compizconfig-settings-manager sudo apt-get install compizconfig-settings-manager