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\8.0
or C:\Users\<yourname>\AppData\Roaming\McNeel\Rhinoceros\8.0
* "AppData" is a hidden folder.
The setting file
The setting file stores the settings of the Rhino app and commands.
The path of the setting file:
%AppData%\McNeel\Rhinoceros\8.0\settings\settings-Scheme__Default.xml
or C:\Users\<yourname>\AppData\Roaming\McNeel\Rhinoceros\8.0\settings\settings-Scheme__Default.xml
* "AppData" is a hidden folder.