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 …
Stay Protected With the Windows Security App - Microsoft Support
Learn about the Windows Security app and some of the most common tools you can use.
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.
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 …
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.
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.
Install Windows Updates - Microsoft Support
Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.
How to use the PC Health Check app - Microsoft Support
Oct 14, 2025 · In Windows, use Search on the taskbar to search for PC Health Check, then select it from the list of results. If a PC Health Check update is available, you can quickly install it for …
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 …
Windows Security App Settings - Microsoft Support
If you select About, you can verify the current version and policy information for Windows Security. This information might be helpful if you're troubleshooting an issue with tech support.