Advance through the license agreement screens and specify the target destination directory (default path: C:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager ).
Navigate to the Broadcom Support Portal and sign in with enterprise credentials. Symantec Endpoint Protection Manager Download 14.3 - Google
: Enter "Symantec Endpoint Protection" in the product search bar. Advance through the license agreement screens and specify
Note: You will need your Broadcom Site ID or a valid software serial number associated with your account to authorize the download. System Requirements for SEPM 14.3 Symantec Endpoint Protection Manager Download 14.3 - Google