A "Windows Feature" refers to specific functionalities or tools included in the Windows operating system. These features enhance user experience and productivity by providing various capabilities, such as file management, security options, and system performance improvements. Users can enable or disable these features based on their needs. Examples of Windows Features include Windows Defender for security, Hyper-V for virtualization, and Windows Media Player for media playback. Users can access and manage these features through the Control Panel or the Settings app, allowing for customization of their system to better suit individual preferences and requirements.