The release code needs to be generated by the EPO server that manages that client system. If you do not have access to it or unsure of who manages it I would recommend reaching out to your IT department.
I started to learn mcafee. I'm managing the EPO server. you can guide me how to generate the dlp release code
Download the new ePolicy Orchestrator (ePO) Support Center Extension which simplifies ePO management and provides support resources directly in the console. Learn more about ePO Support Center