The left part is used to display a tree that shows preference categories. A description of the contents of this tree, i.e. the different categories of preferences and preferences themselves, is available here.
The right part shows the preferences attached to the currently selected tree node. They appear in a table that has two columns. The first one contains the description of the preference, the second one contains its value. To modify this value, select the preference by clicking on it. A floating widget appears on top of the preference value to let you change it.
The floating widget depends on the type of the preference that is modified. There are four kinds of preferences:
Tip: Sub-categories and their contents are not displayed in the right area. To see the preferences that belong to a sub-category, you have to select it in the left part of the window.
Caution: You can restore preferences default values by clicking on the "Restore Default" button. ALL preferences will be reset.