Symantec Endpoint Protection Update Download |work|

Use this method to update individual SEP clients manually, especially in air-gapped or isolated environments.

To download the latest version of the SEP software itself (e.g., moving from version 14.2 to 14.3): Virus Definitions & Security Updates - Broadcom Inc. symantec endpoint protection update download

Before downloading, you must know your exact version. Use this method to update individual SEP clients