Markus Jüngling Posted May 21 Report Share Posted May 21 I bought Nitro PDF 13 in Feb. 2023 and your system says the serial to upgrade can not check. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted May 21 Official Nitronaut Report Share Posted May 21 Hi @Markus Jüngling We apologize for any trouble you experienced when entering your serial number for the upgrade. We have addressed the issue and made the required changes. Kindly try the upgrade again using the provided link: https://gonitro.com/support/upgrade Link to comment Share on other sites More sharing options...
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