Check the build version and hotfix level of McAfee Endpoint Security (ENS) from registry

Go to the registry: HKEY_LOCAL_MACHINE\SOFTWARE\McAfee\Endpoint\AV , check the "BuildNumber"

The "BuildNumber" from registry also indicate the hotfix level of McAfee Endpoint Security:

https://kc.mcafee.com/corporate/index?page=content&id=KB82761