Windows 10 Firewall is a robust security system that's easy to set up and configure. Here's how to use it to block network access and create exceptions for apps, servers and ports.

If you're ignoring or have disabled Windows Firewall, you might be missing out on some good, basic protections that are easy to set up and maintain.

When you see Windows Firewall has blocked some features of this app message box, it does this for security reasons. Learn how to unblock it & more!