How to switch from Enterprise/Enterprise+ licenses to edge?

Replace the licenses via the UI or via the licenses file, then restart the Application.
How to move a license from one environment to the other?

1. Shutdown a node from the cluster (if you are not using 'affinity' make sure to shut down a member node)
2. In the UI, confirm that the license is marked as "Not in use".
3. Remove the license from the artifactory.cluster.licenses 
4. Place it in the new environment and start the new application.