The E2100, 2100, and Xeno Pro are legacy devices, and no longer receive updated device drivers. Please contact the manufacturer of your Killer 2100, Killer E2100, or Xeno Pro for the latest drivers. The same driver (either 32bit or 64bit) works for each product. We have confirmed that the latest drivers for Killer 2100, Killer E2100, or Xeno Pro can be downloaded here:
If you are using Windows 10, and Windows does not automatically install drivers for the device, the Windows 8.1 drivers should work for your application.
There is no Windows 10 driver for the E2100, 2100 and Xeno Pro, and there will be no further driver development.
Support is no longer available for the Killer M1 and Killer K1.