I'm playing around with the Hog2PC program to get to know it, and I cannot figure out how to use new windows that I open up. I open them, and cannot cycle windows into them so that I can have separate output, cue list, and group displays.
You want the two rows of five keys in the lower right-hand corner of the onscreen facepanel. See pages 20-22 of the WholeHogII Handbook for descriptions of what each does.