Because "USB Serial Controller" is a generic term, you must first identify the manufacturer of the chip inside your adapter. Most adapters use one of three main chips:
Choose from the dropdown. Look for a string like VID_067B&PID_2303 . VID_067B is Prolific. VID_0403 is FTDI. VID_10C4 is Silicon Labs. Step 2: Manual Installation on Windows 8 64-bit
If you aren't sure which driver to download, use the to find the exact manufacturer: Press Windows Key + X and select Device Manager . usb serial controller driver windows 8 64 bit download
Finding and installing the correct is essential for connecting hardware like GPS units, industrial equipment, or microcontrollers to your PC. While Windows 8 often attempts automatic installation, many older or specialized serial-to-USB adapters require a manual driver download. How to Download the Correct Driver
Find the item with a yellow exclamation mark (usually under "Other devices" or "Ports"). Because "USB Serial Controller" is a generic term,
Once you have the file (often a .zip or .exe ), follow these steps:
Right-click it, select , and go to the Details tab. VID_067B is Prolific
Highly common in low-cost adapters. You can download official Prolific PL2303 Drivers through vendors like Plugable .