As you probably know, MZpack license is linked to your PCs with product activation. But if you change machines or its hardware parts, you are able to transfer your license within 24 business hours by creating a support ticket.
This service was free previously. But because of the very high volume of transfer requests License transfer rules have been updated. Starting from Sep 21th 2020 you will be able to transfer your license by purchasing this transfer service (one purchase per license key).
Read more on the License Transfer Service page, please.