Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Learn about what effect closing a Microsoft account might have on your other apps and services.

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to manage background activity for apps to help save battery power in Windows.