One feature I have found most valuable is Windows Hello. Windows Hello brings in a password-less solution, wherein users don't need to type in their password. They can do biometric logins or pin-based logins.
Windows 10 is praised for its stability, efficient performance, and ease of use, offering high compatibility with various applications. Users value seamless integration and the reliability of Windows Defender for security. However, frequent updates, high resource consumption, and licensing costs pose challenges, often leading users to consider third-party antivirus solutions. These issues affect system performance and user satisfaction, despite the OS's versatility and accessibility.