Select the Preferences items in the "PowerGREP" menu (leftmost menu) in the main menu bar to open the preferences screen. The preferences screen has a list with 10 sections for configuring PowerGREP to suit your own tastes, habits and workflow. Select a section in the list to change its settings. Click OK to confirm the changes you've made in all the sections and close the preferences screen, or click Cancel to close the preferences screen without making any changes.