If the automatic installer fails, you can manually point Windows to the driver files: Right-click the button and select Device Manager . Find the device under Ports (COM & LPT) or Other Devices .
Without the driver, Windows doesn't know it's a "PCIe Serial Port Adapter"—it just sees the raw data the card is broadcasting.
Right-click and select > Browse my computer for drivers .
confirms the specific chipset model (usually CH382 or CH384).
Pick yer
Yer booty is now 1234 
If the automatic installer fails, you can manually point Windows to the driver files: Right-click the button and select Device Manager . Find the device under Ports (COM & LPT) or Other Devices .
Without the driver, Windows doesn't know it's a "PCIe Serial Port Adapter"—it just sees the raw data the card is broadcasting.
Right-click and select > Browse my computer for drivers .
confirms the specific chipset model (usually CH382 or CH384).