Using Windows Defender from the Command Prompt provides advanced control and automation capabilities, making it particularly useful for scripting and managing multiple systems.

On Windows 11, the firewall, also known as Microsoft Defender Firewall, is a built-in security feature designed to protect your computer from unauthorized access over the internet or network.

If you’re not ready to upgrade, you can still get security updates until October 2026 by enrolling in Microsoft’s ESU program.