Here is a guide to install the AwOken 2.3 icon set by alecive. You can install the AwOken icons using the alicive PPA for the AwOken icons.
To install the AwOken icons open a terminal window (press Ctrl+Alt+T) and copy+paste the following lines:
sudo add-apt-repository ppa:alecive/antigone
sudo apt-get update
sudo apt-get install awoken-icon-theme
When installed you can use the gnome tweak tool to change your icon theme.