Windows 8.0, 8.1, and 10 require digitally signed drivers and do not give the user an option to easily bypass however there is a way to get around it, it just takes several minutes.
This is only for USB driver installation if you have problems "connecting to your scanner" while using the USB cable and is the same instructions that are provided on RR.com
This has been tested in the Windows 10 and has some similarities with what is required to recognize the driver install on Windows 8 and 8.1
- Go to Start Menu
- Hold down Shift key and press Restart under Power menu item.
- Under Choose an Option .. select 'Troubleshoot'
- Select 'Advanced Options'
- Select 'Startup Settings'
Press Restart
Press 7 for Unsigned Drivers.
Once restarted .. login as normal.
- Go To Device Manager in Control Panel
- Select Ports (Com + LPT)
- You should see .. "USB Serial Device (ComX)" when your scanner is connected.
You can now install the USB driver.
- Right click on the USB device ComX) item above and select 'Update Driver Software.
- Select Browse My Computer for Driver Software.
- At the bottom, select "Let me pick from a list of device drivers on my computer"
- Highlight the scanner Serial Device as applicable.
- Click Next
- You will see "Windows cannot verify the publisher of this driver software'
- Select "Install this driver software anyway"
- Click Close
The driver will now be installed.