1.)Just copy into your World of Warcraft folder, thats it.
IMPORTANT: None of the Commands to edit the UI in any way seem to Work. If Someone finds a "fully" working version, please let me know.
Group Layout
Greetz
PS: I searched the forum for a Download of this, but could not find any. But if there already exists one, i will delete this Thread. Also: I do not take credit for this UI, i just posted it here in the Forums