The support folder
The support folder stores Rhino template files, render content libraries (materials, environments, and textures), and plug-in information.
The path of the support folder:
%AppData%\McNeel\Rhinoceros\<Version>
The setting file
The setting file stores the settings of the Rhino app and commands.
The path of the setting file:
%AppData%\McNeel\Rhinoceros\<Version>\settings\settings-Scheme__Default.xml