How to make my interface like this?

[slivermoon]

Can any kind guy tell me how to change all the action buttons' position and make the bars smaller.Like the buttons in the picture: how to put all the skills and spell's buttons at the left bottom!Help me!
Thank you for telling me!Really need helphttp://ui.worldofwar.net/images/ui/1148552806cthunperl.jpg

[Dynatos]

It's called a UI mod. There are many, many mods that let you customize your action bars.

Bartender2
Bongos
Discord Action Bars
Nurfed
etc...

[Matthias]

I suggest bongos

[slivermoon]

Thank you very much!