First inspect for leaks at the clutch master cylinder and slave cylinder and associated fluid lines. Fill the reservoir with brake fluid, get a friend to apply the emergency brake and press down and hold down the clutch pedal. When the pedal is held down, open the bleed screw at the clutch slave cylinder. Close the bleed screw, get your friend to let up the pedal and repeat several times. press the pedal down and release relatively slowly and top up the fluid level as required.