I need help please, need to know how to install a new headlight assembly on my 96 Ford Taurus their so milky and pitted and scratched they can't be fixed so I want to order new ones and replace them.:

 

Position headlamp switch and headlamp time delay switch in the OFF position. WARNING: THE REPLACEABLE HALOGEN HEADLAMP BULB CONTAINS GAS UNDER PRESSURE. THE HALOGEN HEADLAMP BULB MAY SHATTER IF THE GLASS ENVELOPE IS SCRATCHED OR THE HALOGEN HEADLAMP BULB 15 DROPPED. HANDLE HALOGEN HEADLAMP BULB CAREFULLY. GRASP HALOGEN HEADLAMP BULB ONLY BY ITS PLASTIC BASE. AVOID TOUCHING GLASS ENVELOPE. KEEP HALOGEN HEADLAMP BULB OUT OF REACH OF CHILDREN.
Remove three bolts retaining headlamp assembly to upper support assembly and loosen pinch bolt. Remove headlamp assembly from vehicle.
Remove headlamp bulb and socket from headlamp assembly.