If you have downloaded the .zip version of the drivers, use this method: Drivers - FTDI
: Some versions of this hardware are branded by companies like SIIG or Roland (e.g., Quad-Capture), which may require specialized drivers from their respective support pages. Installation Guide for Windows 10 quad rs232-hs driver windows 10 download
Download the from the FTDI VCP Drivers page . If you have downloaded the
Follow the prompts to install both the VCP and D2XX drivers. quad rs232-hs driver windows 10 download
Connect your Quad RS232-HS device. Windows should now recognize four distinct COM ports. Method 2: Manual Installation via Device Manager
Right-click the downloaded .exe file and select .