What happens next?

How to steam crab legs
Thaw the crab legs.
The best way to thaw frozen crab legs is by placing them in the refrigerator overnight.
Place the crab legs and claws in a container as they thaw so that they will not drip water inside the refrigerator as the ice melts.
If you do not have enough time to thaw the crab legs in the refrigerator, you can thaw them by rinsing them under cold, running water for a few minutes. At the very, make sure that the ice has melted before cooking them.