Find your clutch slave cylinder. It should have a bleed screw on it. Loosen the bleed screw. Then slowly pump the clutch pedal by hand, while keeping an eye on the clutch master cylinder to make sure it never gets below the "low" mark. Pump it around 15 times, and refill the master cylinder with brake fluid as needed. On the 15th or your last pump, keep your clutch pedal to the floor, then go tighten your bleed screw on the slave cylinder. This is to keep air from being sucked back into the system. Once the bleed screw is closed, pump your clutch pedal making sure it has good pressure. Inspect for any leaks. Doesn't get much simpler than that. An extra friend will speed up the process so you don't have to keep going from your car to the master cylinder to refill when your pumping. Good luck.