Did you run the inf-wizard.exe as administrator? (Right click → run as administrator). If that options is not available it has something to do with the settings in your win10.
It will ask you to save the inf files, just choose the default location. After that you should be able to install driver.
Yes, I do run the inf-wizard.exe as administrator.
Moreover, I shunt down all anti-virus program and internet protection tools likes “Windows Defence, KIS, etc…”.
What setting I might need to do in Win10?? Thanks in advance for your kindly help.