1, first select the Start menu into the Control Panel, and then select Windows Firewall.
2, and then select the Advanced Settings option.
3, select the inbound rules.
4, new rules.
5, select the port, click Next.
6, as the figure set, enter the port you want to open, such as: 3333, click Next.
7, the next step.
8, the next step.
9, the name is best to write the name of the opening mouth, convenient next search, click Complete.
10, this time, the inbound rules have been shown, the description has been successful.