You can see the list of plug-ins preinstalled in Sentinel. You can also see the plug-ins versions and other metadata, which helps you determine whether you have the latest version of a plug-in.
To view the plug-ins installed in your Sentinel server:
Log in as an administrator to the Sentinel Main interface at https://<IP address>:8443, where 8443 is the default port for the Sentinel server.
Click Plug-ins > Catalog.