Old permanent license not working with the new Intel Quartus Prime Pro Edition 21.1

Hi SDabe,

It is advisable to upgrade to the latest version of the Quartus Prime Design Software.

However if you must use certain specific version of software, you may follow this recommendation :
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/tools/2019/technical-recommendations-for-the-highest-security-level.html

Refer to this link for software selector :
https://www.intel.com/content/www/us/en/software/programmable/quartus-prime/download.html

Refer to this link for devices supported list :
https://fpgasoftware.intel.com/devices/

Thanks!

Wani