To install, copy the xml files into :

Windows : C:\Users\YOU\AppData\Roaming\Steinberg\Cubase\Presets\Configurations\
Mac : /Users/YOU/Library/Preferences/Cubase/Presets/Configurations/
Folders may be named differently depending on your OS and/or Cubase version

Then, in Cubase, go to preferences, load the preset you want and restart Cubase 