You can absolutely run plex in a local only mode. You don't sign it in to an account and then set your subnets in the local networks section like so. Or leave it blank if you have a standard flat home network.

You can absolutely run plex in a local only mode. You don't sign it in to an account and then set your subnets in the local networks section like so. Or leave it blank if you have a standard flat home network.
