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Unable to validate serial number. Can not upgrade


Jon Patterson
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Jon Patterson

I received the email sent out today for the 30% off upgrade price where you get 30% off and get Pro 13 now and then 14 when it comes out.

I keep getting the unable to validate serial number error when trying to buy the upgrade.  The issue may be related to wanting to upgrade from Nitro Pro 6. One of the 2 serial numbers I have that were both good for install on 2 computers is 234600-xxxxxx-776848. I want to upgrade but am an individual not a business and cannot justify the full price for the newer version, but Pro 6 doesn't install properly on a new build Windows 11 computer. Without a doubt, Nitro Pro is a great product

Edited by Allain Umailin
Hid Key 234600-563318-776848
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Allain Umailin

Hello @Jon Patterson,

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

I am afraid I am unable to find a purchase for key 234600-xxxxxx-776848 under your name or email address. In order to help you with your request, could you please provide the following information for me?

-The full name and address of the purchaser
-The email address used to purchase Nitro Pro
-A copy of the order invoice.

To send them via private message, hover your mouse on top of my name 'AllainU' and select 'Message'.

Thank you very much in advance and I am looking forward to hearing back from you. 

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