how to turn on windows defender antivirus

This is both in terms of prevalent malware and zero-day threats, including online and email threats. However, the scans are sometimes inaccurate and fail to detect malicious files and potentially unwanted programs.īased on the independent tests concluded in January and February 2022, AV-Test labs evaluated Microsoft Defender protection at 100%. It also has additional features for device protection against malware, such as scanning, app and browser control, and account protection options.

It has almost 100% real-time protection rates, according to independent tests. Available in US and WE only.Microsoft Defender antivirus is pretty safe. PCs that have been running previous versions of Windows must do a full reset of the Windows 11 operating system for the feature to work. In order to keep you as safe as possible, you must start with a fresh system. Only available on the latest version of Windows 11. Location permissions must be active driving safety available only in the U.S., U.K., Australia, and Canada Microsoft 365 Family subscription required for location alerts and drive safety features. Requires Microsoft account.Īpp available as separate download for free. File versions created up to 30 days in the past can be restored at any time for any reason.

OneDrive files are restored to the state they were in before the attack occurred. Must be signed into a Microsoft account.įiles may be made available for offline use. PIN, facial, and fingerprint recognition require Windows Hello to be set up.Īvailable on the latest version of Microsoft Edge. Learn more at Windows 11 Specs and System Requirements.įor supported devices with latest security updates installed.įacial and fingerprint recognition work with devices equipped with the correct sensors. Features and app availability may vary by region.

How to turn on windows defender antivirus