Hi,
Also you can take a look at Agent management feature - https://techdocs.broadcom.com/us/en/ca-enterprise-software/intelligent-automation/ca-workload-automation-de/12-4/release-notes/12-4.html#concept.dita_ed57a1b8-a900-4622-b588-49c5b2668b4e_AgentInventory that is introduced in 12.4 release where you can do upgrades from Desktop Client itself.