Jinco does not have an official global website. Use these methods instead:
Installation steps (brief)
Flip the USB adapter over. You are looking for a model number (e.g., JUA254 , AC1200 , RTL8812BU ). jinco wireless usb adapter driver download windows 7 link
Download the driver corresponding to your model number from the official Jinco portal: Jinco does not have an official global website