If the wizard fails, point it to the local driver folder:
Always install your SIMATIC software first before plugging in the adapter. Step-by-Step Installation Guide Simatic Pc Adapter Usb Driver Windows 7
Older adapters often fail on USB 3.0 (blue) ports . If your laptop only has USB 3.0, try using a powered USB 2.0 hub as a bridge; this often forces the correct driver to load. If the wizard fails, point it to the