Some older Topwin machines (pre-2015) were designed for Windows XP or 7 and lack native Windows 10 64-bit drivers. In this case, you can use a USB-to-Serial adapter with a or FTDI FT232 chipset. Windows 10 will install a generic driver for the adapter, and then you can use the Topwin software to connect via the virtual COM port.
Without the correct driver, your computer will either: topwin usb driver for windows 10 64 bit
Before installing the driver, unplug the USB cable from your computer. This prevents Windows from attempting to automatically install an incorrect driver. Some older Topwin machines (pre-2015) were designed for
One of the biggest hurdles users face is that Topwin's official support has been historically sporadic. Their website has often been difficult to navigate, with download links frequently broken or directing to outdated files. Without the correct driver, your computer will either:
