I've uploaded the theme and icons from the Deepin Linux distribution to my launchpad PPA. You can install the theme from the PPA if you are using Ubuntu/Linux Mint or its derivates.
Open a terminal window (CTRL+ALT+T) and run the following commands:
sudo apt-add-repository -y ppa:teejee2008/ppa
sudo apt-get update
sudo apt-get install deepin-gtk-theme deepin-icon-theme faenza-icon-theme
Run the following to update the GTK icon cache: (optional step, improves system performance)
sudo gtk-update-icon-cache -f "/usr/share/icons/Deepin"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza-Ambiance"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza-Dark"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza-Darker"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza-Darkest"
sudo gtk-update-icon-cache -f "/usr/share/icons/Faenza-Radiance"
Current theme can be changed with the following commands:
gsettings set org.gnome.desktop.interface.gtk-theme "Deepin" # controls
gsettings set org.gnome.desktop.interface.icon-theme "Deepin" # icons
gsettings set org.gnome.desktop.wm.preferences.theme "Deepin" # window borders
Deepin is a Linux distribution based on Ubuntu 13.04. The theme is very similar to Windows 7