Allow a program to communicate throughWindows Firewall

By default, most programs are blocked by Windows Firewall to help make your computer more secure. To work properly, some programs might require you to allow them to communicate through the firewall.

To allow a program to communicate through Windows Firewall

1. Open Windows Firewall by clicking the Start button , and then clicking Control Panel. In the search box, type firewall, and then click Windows Firewall.
2. In the left pane, click Allow a program or feature through Windows Firewall.
   Left pane of Windows Firewall
3. Click Change settings.  If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
4. Select the check box next to the program you want to allow, select the network locations you want to allow communication on, and then click OK.

Warning

Before allowing a program through the firewall, make sure you understand the risks involved. 

If you’re having trouble allowing other computers to communicate with your computer through Windows Firewall, you can try using the Incoming Connections troubleshooter to automatically find and fix some common problems.

Open the Incoming Connections troubleshooter by clicking the Start button , and then clicking Control Panel. In the search box, type troubleshooter, and then clickTroubleshooting. Click View all, and then click Incoming Connections.