OK understood re installing the PC software, I assume you mean that Autoscan is now active following registration
Re manual for WiFi, I have never needed one, it is pretty straight forward driving it on screen when in WiFi mode
One thing to keep in mind with the WiFi version is you have 2 tools in one, a conventional GS911 when used via USB and PC software providing the intelligence and then operation via WiFi using the combination of inbuilt software bolstered by the cloud services