How do you turn on and off Peer to peer in home group in Windows 7?

To turn on or off Peer-to-Peer in a HomeGroup on Windows 7, open the Control Panel, then select "HomeGroup." Once in the HomeGroup settings, you can manage sharing options and adjust your preferences for file and printer sharing. To disable Peer-to-Peer, you can choose to leave the HomeGroup or change the sharing settings to restrict access. Remember to save any changes before exiting the settings.