Type the path where your program is installed or locate it with the Browse option.Under the Actions panel on the right side of the window, click on New Rule.Here you can restrict internet access for a particular app. On the left side of the next window, click on Advanced settings.Click on Windows Firewall in Control Panel.On your Windows PC, open the Start Menu and go to Control Panel.How To Block A Program From Accessing The Internet In Windows 10, 7, 8? Outbound traffic is due to a connection initiated by your program. Inbound traffic refers to all the data coming to your program from a server elsewhere. You can block both inbound traffic or outbound traffic for any program. The steps are similar for Windows 7, Windows 8, or Windows 10. By following just a simple set of steps, you can block any software from accessing the internet.