Head Gasket R&R ?s

Hey. How's everyone doin? so about a year & a half ago i bought two blazers for $500. Fixed one with parts off the other and gave the other away. About four months later the belt rips because the waterpump locks up and the car blows the HG because of overheating. Now, my question was... does ne1 know how-to R&R HGs? or at least know the necessary tools needed. Any help would be greatly appreciated because I want this car to RUN!