Scott Pekarchik 0 Report post Posted September 25, 2020 Just did na upgrade purchase from Pro 9 to Pro 13. I installed the free trial already but my old serial number is not working when I try to activate 13??? Please help ASAP Share this post Link to post Share on other sites
AllainU 0 Report post Posted September 25, 2020 Hello @Scott Pekarchik, Thank you for reaching out to us through our Community Forums! In order to further assist you, please activate your Nitro Pro 13 Trial using the serial number I sent you privately. Thank you for choosing Nitro and I hope this helps. Share this post Link to post Share on other sites
