Choose System Preferences from the Apple menu
 
Click on Keyboard
or
Keyboard & Mouse
 
Click the Modifier Keys button
 
If it's there, click the Select keyboard pop-up menu, and choose your keyboard


Click the pop-up menus for the Option and Command keys
and set them as shown


Click the OK button


The Command and Option keys should now work properly on your keyboard


If they don't, please contact our help desk