The following USB to Serial devices are all from Prolific and they all use the same USB to serial driver which you can also find on this website. Note that there are UART as well as Serial and Printer chips which they make. You will find this rather easy to understand.Search this website for more Prolific device drivers.
USB to UART/Serial/Printer Drivers
These are the chips available from Prolific. There drivers are all the same.
PL2303TA USB to Serial Bridge Controller
PL2303GL USB to Serial Bridge Controller
PL2360 USB HID to I2C Bridge Controller
PL2303HXD USB to Serial/UART Bridge Controller (Integrated crystal/OTP)
PL2303TB USB to Serial and GPIO Bridge Controller
PL2303GT USB to RS232 Bridge Controller
PL2362 USB HID to SPI Bridge Controller
PL2303RA USB to RS232 Bridge Controller
PL2303GC USB to Serial Bridge Controller
PL2303SA USB to Serial Bridge Controller
PL2303EA ESD-Protected USB to Serial Bridge Controller
PL2303GS USB to Serial Bridge Controller
PL2330 USB HID to Serial Bridge Controller
PL2305 USB to Printer Device Bridge Controller
Note the driver for the adapter is found below.
This will open to the installation pages.
USB to Serial Driver (Windows)
FT232r USB UART Driver (Linux)