Here's what consumers have asked with answers from Kinguin staff and previous consumers.
Hello! The key for Sid Meier's Civilization V or IV may be used in Steam Client. The activation details are provided in all product pages https://www.kinguin.net/category/4906/sid-meier-s-civilization-v-complete-edition-steam-key/#activation-details. In case of any issues with the products, please contact us and we will help you. Best regards Kinguin Customer Support
Nope, they are scammers, my balance is frozen from 4 months, after you sell a game they keep the money for 2 months and then the withdraw process will take another 2 months
Hello, We apologise for the delay in our answers. We recommend you to contact us directly on the Live Chat. This way we will be able to directly assist you with the matter. Please contact us anytime you need help. We are available for you 24/7. Best regards Kinguin Customer Support