Apply the thermal grease to the CPU.
Pull up the lever to release the fan from the heat sink.
Place the heat sink on the CPU.
Use the clips to secure the heat sink to the socket.
Choose an appropriate direction for the bracket and then place it on the heat sink.
Push down the lever to secure the fan to the heat sink.
Install the speed controller to a 3.5" front bay.
Connect the fan to the fan speed controller.
Connect the fan speed controller to the 3-pin fan header on the motherboard.
Complete.