this Ui optimised for 1680x1050 screen resolution.
memory usage: ~1-2 mb solo, ~1-2 mb in raid.
-delete your "Fonts", "Interface" and "WTF" folders, make backup if needed.
-copy the folders "Fonts", "Interface" and "WTF" from the folder(in archive) to your WoW folder.
-inside the WTF folder, rename Accountname, Server, and Charactername to the correct names.