Learn how to turn the Windows Firewall on or off using the Windows Security app.

Click the Start button, then type Windows Firewall in the Search box. Click Windows Firewall, and then click Allow a program or feature through Windows Firewall.

Learn about the risks of allowing apps through Windows Firewall, and how to add or remove apps from the list of allowed apps.

You can use Microsoft Family Safety to block apps used by family members on Windows, Xbox, Edge, and mobile devices. Select a tab below for instructions on how to use Microsoft Family …

Click Enable Content on the business bar if you want to unblock the external content. To learn how to make a secure decision before clicking an option, see the next section.

It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and …

To use a camera with apps in Windows, permissions need to be turned on in the privacy settings for Camera. To turn on permissions for apps to use a camera:

If you receive the message App is blocked when you try to use a familiar app, you can unblock using the following steps: Browse for the program to which you want to allow access

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Windows Defender Firewall is firewall software built into Windows that controls which network traffic is allowed, or blocked, from passing to or from your computer across the network.