The user preferences are available in Edit → Edit preferences and also under Preferences → Edit preferences . The preferences dialog shown below comes up. To change an option, select it in the tree on the left. The panel on the right changes, bringing up controls that allow the user to make the change. After making changes, click on OK or Apply to save the changes.
The Search box on the upper left helps to quickly find a particular preference. As the user types in letters, the tree is reduced so that only the items matching the typed letters remain, as shown in the figure.
The Restore Defaults button on the lower left resets all the values to their defaults.