There are multiple ways of getting weblogic version and patch details .
Weblogic version will be displayed in WLS Admin home page
Once we login to console and go to any server Monitoring page . It will display many other details .From New version onwards all the applied patches also visible .We haven’t applied any patches hence No patches installed message .
List all the patches using command
$ opatch lsinventory -jre /apps/java11_64
How to get the list of Domain’s created under a Weblogic product ??
We can get the Domain list from domain-registry.xml
We can also get the version information from registry.xml .
All the installed components in-detail information can be found in below comps.xml