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I can't activate using my old license


Andy Le Flem

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Andy Le Flem

I have recently upgraded my PC and can't install and activate Nitro 12 on my new PC.  My license is 234*************** which was for an older version of Nitro and I can't access my old PC to get the serial number for the old version.  When I try to activate version 12 I am told that this isn't a valid license.  Please help.

Best wishes. Andy

Edited by Reymund G.
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Reymund Oyong

Hi @Andy Le Flem

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

Please check which version and build of Nitro PDF Pro is installed on your computer. You can see this information by going to the Help tab > About Nitro Pro. 

If the version and build is not 12.16.9.574, please install that so you could successfully activate using your existing serial number. The Nitro PDF Pro 12.16.9.574 installer can be located from the link below:

https://www.gonitro.com/product-details/downloads - click the 'Download Nitro Pro 12' link. 

Once Nitro PDF Pro 12.16.9.574 is installed, activate it by going to the Help tab > About Nitro Pro > Activate. Enter the serial number then click the Activate button. 

If you are interested to upgrade your license to the latest version (Nitro PDF Pro 13) with a discounted price, please let me know so we can provide you the instructions. 

Kind regards, 

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Andy Le Flem

Hi Reymund

The version I had installed was V13 so I have uninstalled that vversion and tried to install V12 from your link but I get a message as soon as the installation starts saying "Something is blocking Nitro from proceeding.  Error occur when resolving resources".  I have logged in as an administrator and this message still appears.  Can you please suggest anything to get the installation to work?  Thanks.  Andy

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Reymund Oyong

Hi @Andy Le Flem

Please try to install Nitro PDF Pro 12.16.9.574 using the MSI Offline installer. Here's the direct download links:

64bit - http://install.nitropdf.com/professional_12169574/en/retail/nitro_pro12_ba_x64.msi
32bit - http://install.nitropdf.com/professional_12169574/en/retail/nitro_pro12_ba_x86.msi

If nothing happens when you click the link, please copy the URL and paste it on the address bar of your web browser then hit Enter. This should prompt you to download the installer. 

Kind regards, 

 

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