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Nitro Pro Activation Failed

Rendy  Satya

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Rendy  Satya


I've changed my device and i installed nitro pdf pro in my new device.

I tried to activate but it was failed.

I click the support button and already deactivate the license. and tried to reactivate the license but still failed (it is said: the serial number entered doesnt exist).

Please kindly help. Thank you



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  • Official Nitronaut
Reymund Oyong

Greetings @Rendy Satya

Thank you for reaching out through our Community Forums!

Activation issues such as 'serial number entered doesn't exist'  will likely occur if the version of the license does not match the version of the Nitro PDF Pro on the machine. 
Example: If you own a version 13 license, you should Nitro PDF Pro 13 so you could successfully activate it. 

Using our License Portal, please check the version of your serial number. Once verified, check the version of the software that is installed on your computer, this can be located when you open Nitro PDF Pro and then navigate to the Help tab > About Nitro Pro. If the version of the software does not match the license, please uninstall it and then install the correct version. 

The Nitro PDF Pro installer can be located from the link below:

Kind regards, 

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