Download DuxaUI, QQUiI, or VertUI from here on the forums. Duxa comes with an installer that fixes a lot of other issues as well.
DuxaUI -
https://www.project1999.com/forums/s...ad.php?t=28335
QQui -
https://www.project1999.com/forums/s...d.php?t=232071
Vertui -
https://www.project1999.com/forums/s...ead.php?t=7850
You can download all 3, and use /loadskin <folder name> or Alt+O>Load UI Skin to switch between them to find which suits your needs. You can use these UI's as a base to tweak if you feel the need once you know what you're looking for. It seems a lot more complicated than it is.