Focus Target:
1.Hit ESC to bring up the menu.
2.Click the PREFERENCES button.
3.Click the GAME tab at the botton of the PREFERENCES window (you should already be here).
4.Click the Controls option on the left side of the PREFERENCES window.
5.Check the "Enable Focus Target" check-box.
6.Click the KEY BINDINGS tab at the bottom of the PREFERENCES window.
7.Select Targeting option on the left.
8.Find the "Set Focus Target / Swap Focus Target" keybind.
9.Choose a new keybind if you want (I use the + key).
10.Scroll down further until you find the "Focus Target Modifier".
11.Choose a new keybind if you want (I use a mouse button).
Now we're ready to actually use this functionality!
1.Target your companion, or anyone else that you need to heal frequently.
2.Press your "Set Focus Target" keybind.
3.Hold down your "Focus Target Modifier" keybind.
4.You should see that the mouse cursor turns blue.
5.Use a healing ability, and it should now be applied to your Focus target.