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Activation Failing despite following instructions on Portal


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I have a new laptop and have installed Windows 10. I tried to install my Nitro Pdf using the instructions but It is not activating . The License is for Nitro pdf 12 but shouldn't it be able to work for Nitro 13 as well

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  • Official Nitronaut

Hi @James Marime

Thank you for reaching out to us through our Community Forums!

Nitro PDF Pro 13 requires a version 13 serial number and cannot be activated using old serial numbers. 

Please ensure that you install the latest build of Nitro PDF Pro 12 ( so you could successfully activate using version 12 license.
The version and build can be located under the Help tab > About Nitro Pro. 

If you see that your installation is not on Nitro PDF Pro, please uninstall then install that build by downloading the installer from the following location: 
https://www.gonitro.com/nps/product-details/downloads - Click the 'Download Nitro Pro 12' link (not the Nitro Pro 13 link) 

After installing Nitro PDF Pro, activate it by going to the Help tab > About Nitro Pro > Activate. Enter the serial number then click the Activate button. 

If the activation issue persists, please provide the following:

1. Screenshot of the activation error message and your version 12 license.
2. The version and build of your Nitro PDF Pro. This information can be located under the Help tab > About Nitro Pro. 

Kind regards,

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