If you are a MyCokeRewards member, sign in Here and claim your coupon for a free 20oz Coke. (valid for Coca-Cola, Diet Coke, and Coke Zero). The coupon will arrive by mail in a few weeks. If you are not a member, I don’t know if you will be eligible for the coupon if you join now, but you could try.
Want more free stuff? Check out our Freebie forum!