Tecplot 2022r2 is not compatible with Mac OS High Sierra, you must use 2020r1. The Minimum version for Mac OS Big Sur is 2020r2. This is an annual subscription license that expires on December 31, 2022.
Who can use this software and where?
Faculty, Staff, and Students - Of the University of Illinois within the United States. The software can be used on Unversity-owned and Personal computers. If you leave the University of Illinois you must uninstall this from your computer. You must purchase a license for each computer you use the software on.
What license or activation method is used?
This software is licensed through a concurrent license manager. Computer registration is required.