I paid but I can't upgrade to PRO

For pro or commercial product support please contact the author directly on their site.

https://wpdevart.com/contact-us/

As the author is aware, commercial products are not supported in these forums. As you are their customer I am sure they will have no problem supporting you there.

Hi.

Sorry for the late response.

Thanks Jan Dembowski for your answer.

Contact us at [email protected] and send us more details and we will send you the pro version.

Best regards,
WpDevArt support team.