Private network.- Use this for networks you trust, such as a network at home or work. When a network is set to private, your PC is discoverable to other devices on the network, and you can use your PC for file and printer sharing.
Public network. - Use this for networks you connect to when you’re out and about, such as a Wi-Fi network at a coffee shop. Your PC will be hidden from other devices on the network, and you can’t use your PC for file and printer sharing.