Is there anyway to customise the UI in LoL to make it easier for you like where your targets name plate is and where the kill feeds appear? and where your abilitys bar is? Or is it possible to have add-ons like World of warcraft to make it easier for you when playing as the Default UI is clunky and horrible.

Is there anyway to customise the UI in LoL to make it easier for you, like where your target's name plate is, where the kill feeds appear, or where your abilities bar is? Or is it possible to have add-ons, like World of Warcraft, to make it easier when playing?