I was not charged: If you were not charged for the order, it will be canceled automatically.
I was charged and the order is completed: If your order is completed, but you are not longer interested in the purchased product, you can still return the unclaimed product in your order or contact our support team via the ticket.
I want to cancel my pre-order: If you wish to cancel the pre-order, you can do it here: https://www.kinguin.net/app/dashboard/orders