Vista-ke is a fictional OS-tan character associated with Microsoft Windows Vista. As part of the OS-tan parody concept, she personifies the Vista operating system in an anthropomorphic, anime-inspired form. She is typically portrayed as a stylish, somewhat temperamental, and distinctive character meant to reflect Vista’s mixed reputation and recognizable branding. Within the OS-tan setting, she serves as a symbolic representation of the operating system rather than a central canon character, appearing mainly in fan works and character collections.