Use this link to upgrade MacStitch Premium
version 2016 through to 2020
to the 2021 edition 64 bit compatible with Mojave and Catalina, and Big Sur
In addition, several years' worth of new features..:)
Note that you will require a new serial number.
This will be emailed to you within 24 hours once your eligibility for the upgrade has been verified.
Ursa Software operates on UK Business Hours.
Sold by : Ursa Software