You can access Bevel Preferences using the toolbar icon or by going to the menu Extensions->Bevel->Preferences. Settings within this dialog are immediately applied when they are changed.
Setting the Language
Choose a language from the dropdown menu. You will need to restart SketchUp for the new language to take effect.
Some features such as Clean Edges and Auto-Soften will display notifications to report what was changed in the model. These notifications may be disabled if desired.
Auto Soften Edges
The settings in this area are used by the Auto-Soften Edges feature.