PoliAuth
Program and browser extension to bypass SPID/CIE login to Polimi Online Services
PoliAuth for Windows
Download the installer, double click and wait for it to finish. It will also tell you where to find the program once installed. You can restart the installer every once in a while to always get the latest version
PoliAuth for macOS
Download the zip file
Linux and source code
Follow the readme from source code to install on linux
Browser extensions (to install on top of the program)
Firefox
Just install the extension from the store, after having installed the program above
Chrome (& others)
Download the zip file, extract it and follow this guide, after having installed the program above