Window Finder is a small easy-to-use magic tool that automatically fills the Target Window criteria fields with the correct values. It looks like a small "crosshair" picture on the Target Window pane. Follow the steps below to retrieve the necessary values with the Window Finder:
open a desired window and leave it visible on the desktop
place the mouse pointer over this picture
press and hold the left mouse button (the mouse pointer will change to )
drag this cursor (without releasing the left mouse button) over the desired window and only then release the left mouse button
Also, you can use the Window Selector magic tool to retrieve values from a required window.