This is the window for changing the preferences.
The configuration is displayed in a form of tree. You can expand the items or collapse. The leaf items represent editable properties. To change a property value, bring up an inplace editor (2x click on the value; NOT double click or press F2).
There are all SP's settings in this tree. You can encounter several inplace editor types:
Various editors have 'X' button. this button resets the property value to default value.
There are various images near the tree nodes. Some nods have special images, other have one of these generic images:
There is a toolbar on the left side.
Important are the settings of frame rate and language.