Installation: Simply copy the Click XT to your Quark XTensions folder and relaunch Quark.
Use: Click XT consists of a floating palette containing five shortcut buttons. The palette may be shown/hidden by selecting the Show/Hide Click Palette item from the View menu.
Button 1: Toggles Show/Hide Guidlelines.
Button 2: Toggles the 'Snap to Guides' Preference
Button 3: Selects or Deselects boxes. If a box is currently selected, Button 3 will deselect it.
If no boxes are selected, Button 3 will select the last selected box.
Button 4: Toggles view between '200%' and 'Fit in Window'.