Drivers can be downloaded below if needed, typically no drivers should be needed when plugging in one of these generic USB to Ethernet devices, it is advertised as "no drivers required" Lower versions of the driver may have to be manually installed if required for compatibility reasons. Drivers cover Windows 8.1/8/7/Vista and XP x86 and x64 if required. Make sure you are using a High Speed USB 2.0 port or you will not achieve 100Mbps.