Download and extract (if needed).
Create a folder with the name “.icons” in your home folder for all NON-KDE/PLASMA desktops.
Create a folder with the name “icons” folder in your home folder ~/.local/share folder for KDE/PLASMA.
Move the icon folders inside the newly created folder.
Now select it with the tools provided by your desktop.
These are the core icons that will evolve and will be maintained over time. Many scripts have been included to change the colours.
These icons will evolve and will be maintained over time and are less strict in form than the Sardi icons.