Nitro Pro 10 license/serialnumber does not work on Nitro Pro 13

[Thom Boot]

I have purchasedd and used Nitro Pro 10. Now I want to upgrade tot V13. My license keys /serial number is not accedpted.

What to do?

[Leslie V]

Hello @Thom Boot

I can see that you were already able to purchase an upgrade. Are you trying to upgrade another serial number?

Can you please let me know what serial number you are trying to upgrade?

Please also send us a screenshot of the error message you are getting.

Cheers!