Once you have identified the chipset, download the driver directly from the manufacturer to ensure stability and security. Drivers - FTDI
Open (right-click the Start button and select it). download usb 232 converter driver
To download the correct USB to RS232 (serial) converter driver, you first need to identify the specific chipset inside your cable. Most converters use chips from three main manufacturers: , Prolific , or WCH (CH340) . 1. Identify Your Chipset Once you have identified the chipset, download the
If you don’t know which chip your cable uses, follow these steps in Windows to find the : Most converters use chips from three main manufacturers:
Right-click it, select , go to the Details tab, and choose Hardware Ids from the dropdown. Look for the VID (Vendor ID) and PID (Product ID): VID 0403 : Typically an FTDI chip. VID 067B : Typically a Prolific chip. VID 1A86 : Typically a CH340 chip. 2. Official Driver Download Links
Find your device (often under "Ports (COM & LPT)" or "Other devices" with a yellow exclamation mark).