If you encounter a problem with a purchased item and/or key activation, you can report it via the Resolution Center using the following link: https://www.kinguin.net/app/dashboard/createreport.
Once you select the appropriate key to report, you will be asked to upload screenshots proving your case there. After filling the report in, it will go directly to the merchant who has sold you the key.
Furthermore, if needed, you can also Escalate the case to bring it to Customer Support's attention.
However, if you have a query not related to an issue with a specific product, please use the following link to open a new ticket here: https://support.kinguin.net/requests/new.
Customer support will look into your inquiry and provide you with an answer as soon as possible."