To use this cat food, simply serve it to your adult cat according to the feeding guidelines on the package. Make sure to provide fresh water at all times. Remember, this food is only for adult cats. Don't feed it to kittens, or cats that are pregnant or nursing. If you want to switch your cat's food, do it gradually over a week or so to avoid upsetting their stomach. Store the food in a cool, dry place to keep it fresh. If you have any concerns about your cat's diet or health, consult your vet.