If the test reveals that the product key has already been activated, has the right to refuse payment, since the purchased service has been provided as agreed.ģ. reserves the right to check the product key for validity within seven calendar days. In the case of digital products which have already been sent, the return or refund is possible only as long as the acquired product keys have not yet been redeemed! After the product key has been redeemed on the associated activation platform, redemption is excluded since the product key can be redeemed only once.Ģ.