Disable Arduino IDE Driver Signature Enforcement for Windows

Before to install manually the   try to disable Driver Signature Enforcement following this guide:

- Hold pressed the Shift button of keyboard Shift buttonand Restart the PC. Restart panel

- When it will appear a blue screen, select the field: Troubleshoot -> Advanced options -> Start Up Setting.

Windows service menu 

Troubleshoot menu

Advance option menu 

- Press on Restart.

Start-up Settings menu 

- In the new blue screen digit the Number 7.

Start-up setting menu 

- Wait the start-up of your Operating System. 

Now you can install manually the driver following the steps shown from this other guide: 
Manual installation of Arduino IDE drivers on Windows