You need to install the driver software before connecting the unit to the computer. For details, refer to "Installing the software" in the operating instructions.

After installing the driver software, when the unit is connected to a computer (Windows) for the first time or when it is connected to a different USB port on the computer, the message "Installing device driver software" may appear on the computer screen. Wait until the message "Your devices are ready to use." appears.

-In the middle of installation, the message "Connect to Windows Update to search for hardware? " message may appear. In that case, select "No, not now." and then click "Next" to continue installation.

-In the middle of installation, the message "Choose the installation method" may appear. In that case, select "Install software automatically (recommended)" and then click "Next" to continue installation.

-In the middle of installation, the "Windows Security" window may appear. In that case, select "Install this driver software." to continue installation.