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

What is a Firewall? Data flows into and out of devices through what we call ports. A firewall is what controls what is - and more importantly isn't - allowed to pass through those ports. You …

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

Use a firewall Windows has a firewall already built in and automatically turned on. Stay away from pirated material Avoid streaming or downloading movies, music, books, or applications that do …

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

Oct 14, 2025 · Windows themes are a combination of desktop background pictures, window colors, sounds, and other elements that allow you to personalize your Windows experience. …

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 …

Firewall & network protection: View and manage the status of Windows Firewall. You can turn the firewall on or off, and access advanced settings for different network types

Oct 14, 2025 · Important This page containing links to download Windows themes is now obsolete and will be retired soon. We recommend downloading the latest themes directly from the …

Upload a file or folder In OneDrive, select Add new, and then select Files upload if you are uploading files, or Folder upload if you are uploading a folder. Select the files or folder you …