Windows Media Player is a multimedia player developed by Microsoft that allows users to play audio and video files on their computers. It supports various file formats, including MP3, WAV, AVI, and WMV, making it versatile for different media types. The player also includes features for organizing music libraries and creating playlists. In addition to playback, Windows Media Player offers options for ripping music from CDs and burning audio files onto discs. It provides a simple interface, making it easy for users to navigate their media collections and enjoy their favorite songs and videos.