Editing windows/Files

[Fiedems]

I am trying to find the file to be able to have the horizontal group window option. I cannot find it. I think I understand what to do once I find it just haven't gotten that far. lol

This is my second attempt to configure the UI for personal use.. first was to change a spell in the quick button file to use the spells I like. Figured it out and works like a charm. The computer I use has Vista on it, if that will make the instructions easier to understand.

I'm not computer stupid, just a noob. So any help to not be so noobish would be welcome.