Mirco Saggiorato Posted May 2 Report Share Posted May 2 Hello everyone I have a license key here as soon as I complete the upgrade https://www.gonitro.com/de/support/upgrade If I want to do this, I get the message that the key could not be checked. 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. But the key is 100% correct. How should I proceed so that I can update the key to v14? Big Thanks 1 Link to comment Share on other sites More sharing options...
Official Nitronaut Joseph Capiral Posted May 2 Official Nitronaut Report Share Posted May 2 Hi @Mirco Saggiorato Thank you for reaching out to us through our Community Forums. I understand you are having issues upgrading to Nitro PDF Pro 14 due to an error message. For us to better assist you, can you please provide your Nitro PDF Pro 13 serial number so that I can check? Please message me directly for the Serial number. Thank you. Link to comment Share on other sites More sharing options...
Mirco Saggiorato Posted May 3 Author Report Share Posted May 3 (edited) Hi @Joseph Capiral Many thanks for your support. Here is the key, thank you for checking Edited May 6 by Joseph Capiral hiding serial Link to comment Share on other sites More sharing options...
Official Nitronaut Joseph Capiral Posted May 6 Official Nitronaut Report Share Posted May 6 Hi @Mirco Saggiorato Thank you for providing the serial number. It appears that your Nitro PDF Pro serial number was not purchased through our website but through a reseller. If you need to upgrade your license to the latest version of Nitro, please contact your vendor or reseller. Thank you. Link to comment Share on other sites More sharing options...
Harold Mancusi-Ungaro Posted May 6 Report Share Posted May 6 (edited) I am having the same problem. Here is my serial number. For what it is worth, I have been using and upgrading PDF Pen Pro since version 7, long before it was Nitro if that makes a difference. Edited May 7 by Joseph Capiral hiding license code Link to comment Share on other sites More sharing options...
Official Nitronaut Joseph Capiral Posted May 7 Official Nitronaut Report Share Posted May 7 Hi @Harold Mancusi-Ungaro I can confirm that it's a valid Nitro PDF Pro 13 license code for Mac. You should be able to activate Nitro PDF Pro 13 for Mac using that code. If needed, you can get the latest PDF Pro installer here: https://www.gonitro.com/mac/download Please be informed that this can't be upgraded to v14, and the only way to get 14 is to get a Mac subscription. Thank you. Link to comment Share on other sites More sharing options...
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