As long as the 3-month plan is claimed to your account, and you were the original recipient of the e-mail, you will receive the game key for Kingdom Come Deliverance when it's sent out later in the afternoon of October 24, 2018.
문의 해보니까 Claim 해야 준다고 합니다
이벤트 기한이 하루도 안남았지만 혹시라도 관심있으신분들 참고하세요.