Choose System Preferences from the Apple menu.

Click Security or Security & Privacy.

Click the Firewall tab.

Unlock the pane by clicking the lock in the lower-left corner and enter the administrator username and password.

Click "Turn On Firewall" or "Start" to enable the firewall.

Click Advanced to customize the firewall configuration.

Select the Start button > Settings > Update & Security > Windows Security and then Firewall & network protection. Open Windows Security settings

Select a network profile.

Under Windows Defender Firewall, switch the setting to On. If your device is connected to a network, network policy settings might prevent you from completing these steps.

For more info, contact your administrator.