Device Encryption in Windows — by Microsoft Support

Describes the Account protection area of Windows Security, which shows your Microsoft account status and links to Windows Hello and Dynamic lock settings.

Describes potentially unwanted apps that sit between safe software and malware, such as ad-heavy programs, and how to reduce the risk and remove them.

A plain-language tour of Windows 11's built-in defences against phishing, password theft, malware and scams, including Defender Antivirus, passwordless sign-in, SmartScreen and Smart App Control.