changing spark plugs on 2004 Audi TT Quattro

Hi; what is the procedure to remove and replace spark plugs ? is there a special tool, my E MAIL is; QUIROZRAUL@ROCKETMAIL.COM Thank You.

Asked by for the 2004 Audi TT Quattro
These are complex German engines and one wrong move and you could do expensive damage to the engine, You can get a estimate here and find a shop here