Windows Firewall is built into Windows and is turned on automatically. You can manage the firewall, update and other security settings in the Action Center .

Follow these steps to access the Action Center:

1. Click the Start button
2. Click Control Panel
3. Under System and Security, click Review your computer’s status
4. 4.To view details about either the Security or Maintenance section, click the heading or the arrow next to the heading to expand or collapse the section. If you don’t want to see certain types of messages, you can choose to hide them from view.

For more information on Windows Firewall, please refer to this FAQ .