The appearance of the Debug window is shown in the figure. The Debug window displays the sequence of events and reactions in the system.

The Debug window has the following features:
- always on top of other windows;
- you can change the size of the Debug window using the mouse;
- you can copy information on event or reaction to the Windows clipboard and then use it in programs;
- you can filter events and reactions in the Debug window;
- you can highlight events and reactions in the Debug window;
- you can search for events or reactions in the Debug window.
You can use regular expressions to highlight and filter messages in the Debug window.