Check the box for and select Windows 7 .
Once installed correctly, the yellow exclamation mark in Device Manager will disappear. The device will now display clean text, such as: Prolific USB-to-Serial Comm Port (COM3) or CH340 USB-to-Serial Driver (COM4) . jiykr programming cable driver windows 7 extra quality
Prolific Driver Version 3.2.0.0 (released around 2007) or Version 3.3.2.102 . Check the box for and select Windows 7