To update , you must distinguish between updating the definitions (security signatures) and the software version itself. Since Symantec was acquired by Broadcom, most official downloads are now hosted on the Broadcom Support Portal . 1. Updating Virus Definitions (Content)

tab to set your download frequency and select content types (e.g., 64-bit virus definitions, IPS signatures). LiveUpdate Policies

Keeping your Symantec Endpoint Protection (SEP) client updated is critical for defending against the latest malware, ransomware, and zero-day threats. Unlike consumer antivirus software, SEP updates are typically managed by a central server, but there are specific scenarios where you need to download and apply updates manually.

The SEPM then pushes these updates to all connected clients on the network.