Is there a way to bypass the digital signature requirement? Yes, you could refer the below link to disable digital signature function in Windows.http://www.thewindowsclub.com/disable-driver-signature-enforcement-windows Notice :1. Unplug scanner’s USB cable from PC then uninstall scanner driver.2. Hold down the “Shift” key then choosing the “Restart” option in Windows. 3. Your computer will restart with Advanced Options. 4. From the list of options displayed, select the “Troubleshoot” tile.5. Next, select “Advanced options” and hit the “Startup Settings” tile.6. Next, select the “Restart” button to restart your PC on the Startup Settings screen.7. You will see the following screen on restart. 8. Press the 7 keyboard key to activate the “Disable driver signature enforcement” option.9. After enter the Windows 10 then you can install scanner driver.10. Connect your scanner to your PC then check scanner device status in Device Manager. Thank you.