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Nitro Pro Upgrade Portal not recognizing V13 serial number.

Jaime Iranzo

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Jaime Iranzo

Hola, compré Nitro en el año 2020. Ahora he cambiado mi equipo y despues de instalar la Version 14 no consigo activar el programa.

Al intentar activar me sale en mensaje The Serial Number entered does not exist

Mi numero de Serie es 504********

Gracias por tu ayuda.

Jaime Iranzo


Hello, I bought Nitro in 2020. Now I have changed my equipment and after installing Version 14 I cannot activate the program.

When trying to activate I get the message The Serial Number entered does not exist

My serial number is 504********

Thanks for your help.
jamie iranzo

Edited by Reymund Oyong
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  • Official Nitronaut
Reymund Oyong

Greetings @Jaime Iranzo

Thank you for reaching out through our Community Forums!
I've used Google Translate to translate your message in this post. 

Please be aware that your current serial number is a version 13 license, and you need to install Nitro PDF Pro 13 so you can successfully activate it. 
Kindly uninstall the Nitro PDF Pro 14 on your computer and then install Nitro PDF Pro 13 using the installer from the link below:

https://www.gonitro.com/product-details/downloads -  please make sure to click the 'Download Nitro Pro 13' link.  

Once Nitro PDF Pro 13 is installed, you should be able to activate using your existing version 13 license.
To activate, launch Nitro PDF Pro then navigate to the Help tab > About Nitro Pro > Activate, enter the serial number then click Activate. 

If you are interested to upgrade your license to version 14, please visit our Upgrade page at https://www.gonitro.com/support/upgrade 
There is currently a discount when you upgrade an existing license to version 14. 

Kind regards, 

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