I bought an upgrade key for parallels 12 pro. when i try my key it says "The product key of a previous version of parallels has been not accepted on the license server." Please help me !
Hi @semihu, we checked the records and found that the key you are looking to activate the pro edition was blacklisted due to the refund requested from your end. Please visit our online web store to buy a full version of Parallels Desktop.