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Cant activate license


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Hi there,

I just got a new laptop. I deactivated my license on my old one, i installed Nitro Pro on my new laptop. When trying to activate it gives an error: the serial number does not exist (?!).

I went to your activation portal as well, there it shows everything should be fine, but still I cant activate.

Please help.

Nitro version:

Best regards,



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  • Official Nitronaut

Hello @Somers

Thanks for reaching out to us! 

You purchased Nitro Pro 12.

Please uninstall Nitro Pro from your machine first and install Nitro Pro 12. You can get the correct version 12 installers from this page: 

After installation, you can activate by opening Nitro, click on the Help tab > About Nitro Pro > Activate and enter your serial.

I hope that helps!

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