How do I change my firewall settings

Can anyone help me please..I am trying to set up network sharing on all my pc's...but my firewall settings are saying not connected and controlled by Nortons....how can I change these settings...many thanks for any help

Can anyone help me please..I am trying to set up network sharing on all my pc's...but my firewall settings are saying not connected and controlled by Nortons....how can I change these settings...many thanks for any help