Virus and Threat Protection in the Windows Security App
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.
Stay Protected With the Windows Security App - Microsoft Support
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 other security threats.
Get help with Windows security - Microsoft Support
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching …
Protection History - Microsoft Support
The Protection History page in the Windows Security app is where you can go to view actions that Windows Security has taken on your behalf.
Firewall and Network Protection in the Windows Security App
Under Microsoft Defender Firewall, switch the setting to On to enable Windows Firewall. To turn it off, switch the setting to Off. Turning off Windows Firewall could make your device more vulnerable to …
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Windows Security App Overview - Microsoft Support
With features like Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, you can easily access and configure robust security settings. Built into Windows, this app ensures your …
Protect my PC from viruses - Microsoft Support
Use an anti-malware app - Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software). Microsoft Defender is free anti-malware …
System Protection - Microsoft Support
Oct 14, 2025 · While not enabled by default, it's recommend enabling system protection. This feature provides an added layer of security and peace of mind, ensuring that you can quickly and easily …
How to start a scan for viruses or malware in Microsoft Defender
Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.