Open the Group Policy Management Console to Windows Defender Firewall with Advanced Security.
In the navigation pane, click Inbound Rules.
Click Action, and then click New rule.
On the Rule Type page of the New Inbound Rule Wizard, click Custom, and then click Next.
On the Program page, click All programs, and then click Next.
On the Protocol and Ports page, select the protocol type that you want to allow. To restrict the rule to a specified port number, you must select either TCP or UDP. Because this is an incoming rule, you typically configure only the local port number. TCP port 80. When you have configured the protocols and ports, click Next.
On the Scope page, you can specify that the rule applies only to network traffic to or from the IP addresses entered on this page. Configure as appropriate for your design, and then click Next.
On the Action page, select Allow the connection, and then click Next.
On the Profile page, select the network location types to which this rule applies, and then click Next.
On the Name page, type a name and description for your rule, and then click Finish.
Reference:
https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/create-an-inbound-port-rule
https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers