Microsoft Security Essentials reached end of service on January 14, 2020 and is no longer available as a download.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.

Screen mirroring and projecting to your PC or wireless display How to stay protected Protect yourself from phishing Windows Security app Use two-step verification with your Microsoft account Additional resources and support Contact us

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

Find out how Windows Security can help keep your PC safe from malicious software and viruses.

Describes and provides links to several Microsoft security resource centers and tools that can help you protect your system from malware and from viruses.

Troubleshoot problems with updating virus and spyware definitions for Microsoft Security Essentials.

Keeping Microsoft Edge up to date helps protect your device and ensures you receive the latest browser features, performance enhancements, and security updates.