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Laptop OS Reinstall


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Recently went through a laptop reinstall not I cannot activate NitroPDF, it says "You have reached the maximum number of installations allowed for this license, ...". When navigating to the support page and upon entering my serial number I get a JavaScript error 'Please enter a valid serial number' when entering on the below page;





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  • Official Nitronaut
Allain Umailin

Hello @Brandy,

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

Kindly note that our Activation Portal as of the moment can only accept serial numbers with format 23460x-xxxxxx-xxxxxx where 'x' are random numbers.

With the release of Nitro Pro 13, it is now using a different format (5049xxxxxxxxxxxxxx) and will soon be integrated into the same portal in the next coming months. As much as we would like to provide an ETA, it is not yet available.

To further assist you, an adjustment has been made on your Nitro Pro 13 license so please try activating again on your machine.

Thank you for choosing Nitro and I hope this helps!

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