I just don't get it this should be an easy install/ upgrade. Instead your servers didn't accept my had the Activation key, even after posting the older version. I can't tell you how frustrating this really is and what I'm having problems I don't know. I expect this to be repaired before I wake up tomorrow. otherwise I will cancel the product and go with CrossOver. I just purchased followingarallels Desktop 19 for Mac Pro Edition Upgrade (1 Year) Activation key(s): 6J9VNP- Parallels Desktop 18 for Mac Upgrade Your product key: 6J9KFB- 10-6-2023 Support ID: 438448610