For official downloads and the latest firmware updates, refer to the Hioki User Support page 3197Communicator software features or the successor model, the POWER QUALITY ANALYZER 3197 | HIOKI
This allows your computer to treat the 3197 as a serial COM port. Installation Steps for Modern Windows (10/11) Download the Driver: Get the official HIOKI USB CDC Driver or locate the folder within your 3197 application directory (typically C:\Program Files\HIOKI\3197\drivers Run the Installer: Unzip the package and execute HIOKI_USB_CDC_Driver.exe with administrative privileges. Manual Update (If needed): Connect your Hioki 3197 to the PC via USB. Device Manager hioki 3197 usb driver repack