If you purchased the key through buy.mutantyearzero.com you will need to ask Xsolla for your Deluxe Edition content key through help.xsolla.com. If you have a receipt for your purchase they should be able to help you out.
If you purchased the key through buy.mutantyearzero.com you will need to ask Xsolla for your Deluxe Edition content key through help.xsolla.com. If you have a receipt for your purchase they should be able to help you out.