How to open Windows Firewall in Windows 11/10 The Windows Defender Firewall can be configured to allow or block programs on a computer from accessing network or Internet resources.

After many years of relying on third-party antivirus programs, Windows users finally got the first-party solution from Microsoft in the form of Window.

How to Enable or Disable SmartScreen Using Registry Editor You can also turn the Windows Defender SmartScreen on or off using the Registry Editor.