Since "CYL6602" is a model number often sold by third-party retailers, there is no single "official" website. However, the following sources provide the necessary files and steps for Windows 10:
Installing this driver on Windows 10 is more complex than standard "plug and play" because the drivers are often not digitally signed. Hold Shift and click Restart . cyl6602 usbdmx512 driver windows 10 link
Windows 10 requires specific steps to accept the unsigned drivers typically used by this hardware: Disable Driver Signature Enforcement while clicking Troubleshoot Advanced options Startup Settings to "Disable driver signature enforcement". Manual Update via Device Manager Device Manager Since "CYL6602" is a model number often sold
Extract your downloaded driver folder (FTDI or uDMX) to an easily accessible directory like your desktop. cyl6602 usbdmx512 driver windows 10 link