Point to the folder where you extracted the downloaded files. HP Support Community for an Allwinner tablet? Embedded Systems Engineer Cybersecurity Researcher
Windows 10/11 blocks older Prolific drivers. Here’s the workaround: usb vid 1f3a&pid efe8&rev 02 3 driver
If you are certain the hardware is functional (e.g., it worked on Linux but not Windows), you can force a generic Microsoft driver. Point to the folder where you extracted the downloaded files