Clean old thermal grease from the CPU.
Spread new thermal grease evenly on the CPU.
Turn to the back side of the motherboard. Pass the screws of the back plate through the holes of the motherboard.
Turn to the front side of the motherboard.
Insert the butterfly plate between the block and fins.
Place the plate and fix the center hole of the plate at the peg.
Place the cooler onto the CPU. Pass the holes of the plate through the 4 screws.
Tighten the 4 nuts.
Connect the fan connector to the motherboard.
Complete.