Scan an item with Windows Security - Microsoft Support
Windows Security (Windows Defender Security Center in previous versions of Windows) enables you to scan specific files and folders to make sure they're safe. You'll be notified immediately if …
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 …
How to start a scan for viruses or malware in Microsoft Defender
Select Device details Select Manage in Windows Security Select Quick scan Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the …
Device Performance and Health in the Windows Security App
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Device Security in the Windows Security App - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
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.
Enhance your security on the web with Microsoft Edge
Enhanced security in Microsoft Edge helps safeguard against memory-related vulnerabilities by disabling just-in-time (JIT) JavaScript compilation and enabling additional operating system …
Automatically fix Windows security issues - Microsoft Support
Oct 14, 2025 · Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security …
Keep your computer secure at home - Microsoft Support
Windows Security is built into Windows and provides real-time malware detection, prevention, and removal with cloud-delivered protection. It is intended for home, small business, and enterprise …