Get an eazi bleed kit from Halfords about £20.
Fill the bottle up with dot 4, screw on to brake resiviour , connect pressure tube to 20psi tyre ,
Now system is pressurised , go round and open each Nipple one at a time until you get clear fluid / no bubbles , get some clear tube (washer pipe ) and poke in an old drinks bottle and put that on the nipple to catch fluid
Rear left , rear right , front left , front right , clutch (optional )
That's the easy way , 2man pumping method if you've never done before isn't easy.
Keep an eye on fluid level don't run it out or your drag air in the system