Instructions
Open the game on your Mac computer by clicking its icon.
Move the pointer to the "Options" menu at the top of the software screen. Click to open the menu.
Slide the pointer down to "Control Settings" and click to access the game actions. This gives you a way to change the keyboard settings.
Click on the control you wish to alter such as "Kicking" from the Control Settings menu. Move down to keyboard control and click on your right-mouse button to change the setting. Left-click when you find the key you want for that action to select it.