Đổ nước lạnh vào đầy nửa nồi hầm cỡ lớn. Nêm muối hoặc gia vị vào nước nếu bạn muốn cua đậm đà hơn. Vặn lửa lớn cho đến khi nước bắt đầu sôi. Thả cua ngập trong nước. Giảm lửa xuống mức trung bình và chờ nước sôi trở lại. Luộc cua trong 5-7 phút cho đến khi chín.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
The amount of water you need will depend on the stockpot you’re using. A basic stockpot takes about 24 cups (5,700 mL) of water, but adjust the amount as needed. This will be enough to cook about 4 lb (1.8 kg) of king crab legs. Make sure the crab legs are completely submerged in the water or else they may not cook evenly. If your stock pot is too small, cook the crab legs in batches or use multiple pots. For example, start with 1 tablespoon (17.06 g) of salt and stir it into the pot of water. T