windows-c-drive-cleanup-skill

Safe Windows C: drive space analysis and cleanup workflow. Use when a user asks Codex to scan, diagnose, clean, free space, remove large files, identify uninstall candidates, or troubleshoot low disk space on a Windows system drive, especially C:\. Emphasizes read-only analysis first, risk classification, explicit user approval before deletion or uninstalling, privacy-preserving local-only scans, and safe handling of Windows Installer, WinSxS, AppData, ProgramData, caches, personal files, and large application data.