This adapter has been tested and works well with SPORTident equipment on XP (SP3) and up (tested on XP [32-bit], Windows 7 [64-bit] and Windows 8.1 [32-bit]). Drivers are native in Windows 7 and up (possibly also Vista). The latest drivers can be downloaded from href=http://server.iad.liveperson.net/hc/s-21882319/cmd/kbresource/kb-2791656651557503245/view_document!PAGETYPE?sq=26886 Note the files on the right near the top, and click on the appropriate file icon