Hi Adriana,

Thanks for contacting us here.

Any purchase of a license type from us is permanent. You just need to pay for it once and it will be active for a lifetime, unless users terminate their license with a refund within 7 days after the purchase. 

You can also upgrade to a higher plan and receive the full refund for the lower plan you have paid. The first website that installs the Premium file of our plugin will be attached to your license. 

Any migration of site must be done after notifying to us so that we can help you modify the license to update the details and let you use the Premium file on the new site.

Best regards.