I suggest starting with the rears....there are a few threads about it, but for the rear you will need to undo the shocks, swaybar links, the bolt holding the brake line distribution block to the diff housing, and take the diff breather off the diff, and then you will be set to go.
Fronts are similar to the rear, but you can get away without undoing the swaybar links.
Also remember, safety is paramount, as this can be an extremely dangerous proceedure, as there is a lot of energy stored in the springs, and a lot of weight in a poorly supported vehicle
Mic