Latest Gigaware USB to Serial Driver Download link for Windows 10,7,8,8.1, Vista and XP from here: The Gigaware USB to Serial Driver is nothing more than another USB driver. The installation process has been explained here (FT232R USB UART Driver). The driver has been added below for the Gigaware version of the software.

If it does not work then take a look at the Prolific original drivers. Free mach3 download. Radio Shack made a number of products in the USB to serial range and Gigaware was only a generic copy of the original hardware. You can download the driver from the link above.

USB to Ethernet adapter not working - posted in Networking: The network adapter on my desktop stopped working, and it has no PCI slots, so I picked up a Gigaware USB to Ethernet Adapter from.