CDN BossKey Pro is a small and powerful tool. It can add Boss Key features for almost all programs. It means when you press the hot key, the specified windows will hide immediately to prevent others found. It will make your satisfaction in the three models. CDN BossKey Pro has top-level window, blacklist, white list three control models. You can choose one according to your wishes. Contains many advanced settings. Custom hotkeys, hide tray icon, autostart, and other options will meet your needs.