This is a legacy customization pack from 2013. As with all system mods, please create a System Restore point before applying. While designed for Windows 7, modern Windows 10/11 users can manually extract the .ico files for personal use!
The term in this context refers to a version of the icon pack that doesn't require a deep system installation or a "skin pack" installer. Skin packs often bloat the registry and can be difficult to uninstall. The portable approach usually involves: