John Glasscock Posted February 9, 2022 Report Share Posted February 9, 2022 I tried to upggrade from Nitro 9 but the upgrade system didn't recognise my licence key. What do I need to do? Link to comment Share on other sites More sharing options...
Official Nitronaut Allain Umailin Posted February 10, 2022 Official Nitronaut Report Share Posted February 10, 2022 Hello @John Glasscock, Thank you for reaching out to us through our Community Forums! Adjustments to your account has been executed so please try again upgrading your Nitro Pro 9 to Nitro PDF Pro 13 through our https://www.gonitro.com/support/upgrade by entering its serial number. Stay safe always! Link to comment Share on other sites More sharing options...
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