If it says "Policy Source: SEPM," you accidentally installed the managed client and must uninstall/reinstall. The biggest fear with unmanaged clients is definition staleness. Without a server pushing updates, the client relies on LiveUpdate.
Broadcom wants recurring revenue via subscriptions. The unmanaged client is often seen as a "forever tool"—install it once and manually update it for years without paying for a management seat. Consequently, they buried the downloads. If it says "Policy Source: SEPM," you accidentally
Searching for the "Symantec Endpoint Protection unmanaged client download exclusive" is not just a query; it is a mission. You don’t want the bloat of a management console. You don’t want a cloud portal. You want the raw, powerful signature-based engine running in standalone mode. If it says "Policy Source: SEPM