Deborah Fiery Posted January 17, 2021 Report Share Posted January 17, 2021 Hello. I am new to this site. I have the same problem. My old serial number is not accepted for upgrade. I am still using Nitro Pro 22.214.171.124 I am attaching a screenshot of the upgrade page response I get. Please help! Thank you. Enter your current product serial number to check your discount eligibility. We’ll check what kind of upgrade discount you’re eligible for, then guide you from there. Check Eligibility Where’s my serial number? We were unable to validate your serial number. Please ensure you entered it correctly. If you believe you are eligible for an upgrade, please leave a post on our Community Forum and update us with your issue. Having trouble? Find answers and assistance here. Link to comment Share on other sites More sharing options...
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