If you have not received the key and link to download after the payment and you checked the junk/spam folder, please, contact Xsolla support directly, and they will resolve the problem with you.
Support Email: email@example.com
24/7 Live Chat: http://help.xsolla.com
If you do not find a solution with Xsolla, email us at firstname.lastname@example.org and provide email address that was used to purchase and/or receipt number. We will make sure to fix i