Power Supply
Step 1. Place the power supply at the bottom of the case, which is usually where the screws are and screw it in place.
Step 2. Connect the 24 pin into the motherboard.
Step 3. Connect te 4 point molex into the hard drive and fans.
(Optional) Step 4. Connect the PCI-E 6point connector to the graphics card
Step 5. Connect the 4 point CPU into the motherboard by the CPU
Done