Mail from Roland:
"With the Roland Content Store closing permanently, all of your software licenses are now available as Lifetime Key entitlements on Roland Cloud. Enjoy free access to your software by downloading Roland Cloud Manager and creating a Roland Account* with the same email address used for your previous Roland Content Store access.

Please update your Roland Content Store software before October 19, 2020."

More info:
https://www.roland.com/global/content_store_migration/

Great! :-)