Install from new disk

[#1]

Purchased elements 2020 on disk.

Installed but will not run.

Error code 213:11

Problem with licensing.

How do I solve.

Getting frustrated.

[#2]

Have a look here:

https://helpx.adobe.com/photoshop-elements/kb/licensing-problem.html

[#3 · Accepted solution]

Thanks to tech Dave, problem was resolved after many hours.  Problem was with a prior installation of elements 7.  Once deleted, reinstall worked fine.  Had to remove all other adobe products installed as well.