LAVA: Forums

At the present time support for the USB-Serial Link Product line is limited to 32-bit versions of Windows 2000 and later. 

Below is a link to the latest driver as well as a list of the officially supported Operating Systems for the USB-Serial Link.

Driver: Lava_2014_07_05.zip

Supported Operating Systems:
  Windows 8.1 (32-bit)
  Windows 8 (32-bit)
  Windows Thin Client
  Windows 7 (32-bit)
  Windows Server 2008 (32-bit)
  Windows Vista (32-bit)
  Windows Server 2003 (32-bit)
  Windows XP (32-bit)
  Windows Server 2000
  Windows 2000

Applies to:
  USB-Serial 2-232-DB9
  USB-Serial 4-232-DB9
  USB-Serial 4-232-DB9 Cabled

- Lava Support