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'Unable to Validate your Serial Number'


Bruce Davies

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Bruce Davies

Hi, I have PDF Pen license starting with PPEN12... I have just been notified that v13 is available and is possibly a paid upgrade, but when I input the license code accepted by the app, your website says it is not recognised. Please advise as I cannot move further...

Edited by Bruce Davies
typo
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  • Official Nitronaut

Hello @Bruce Davies

Thank you for posting on our Community Forums!

Sounds like you are using the upgrade widget for our product for Windows, not the one for Mac.

  1. To upgrade to the latest version of Nitro for Mac,
  2. Download version 13.
  3. Launch it. The app will notice your previous version. You can click on "Buy an upgrade license" for upgrade pricing.
  4. Go through the screens to purchase the upgrade to version 13.
  5. Complete your purchase and version 13 will register with your new license. You will also receive an email of the new license for your records.

Please let me know if you have any questions.
 

 

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  • Official Nitronaut

Hello @Ernest Cooper

Can you please let me know what error message you're getting? A screenshot will be very helpful.

Your serial number is for Nitro PDF Pro 14, please uninstall what you have and get the correct version 14 installer from the page below:
https://www.gonitro.com/nps/product-details/downloads

After installation, activate with your serial number.

Please let me know how that goes.
 

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  • 1 month later...
rajesh tibarewala

I have Renewed my Account with you today and obtained the serial number *** whch when I enter to upgarade / start me Nitro PDF version .

 

They say the serial number entered does not exist where as we have copied and pasted them so chances of error are less.

 

please help

 

Edited by Leslie V
Deleted Confidential Information (Serial Number)
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  • 4 weeks later...
  • Official Nitronaut

Hello @rajesh tibarewala

Thanks for your message - I'm happy to assist you.

The error message means that the serial number you are trying to activate is for a different version of Nitro PDF Pro.

Your serial number is for Nitro PDF Pro 14, please uninstall the version you installed.
And then get the correct version 14 installer from the page below:
https://www.gonitro.com/nps/product-details/downloads

After installation, activate with your serial number.

Please let me know how that goes.
 

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