Install the software from the manufacturer's website: quantexlab.com/en/download.html
(according to your operating system type and bitness).
Launch the new ScanDoc software on your computer using the desktop shortcut.
When you first launch the program, a form for entering serial numbers will appear. Enter your scanner's serial number.
If your scanner has serial number s/n: 01230, then enter number 1230.
If you have multiple scanners, enter their serial numbers separated by commas, for example: 25478, 1230.
The program will then automatically download the firmware files from the internet for your scanner.
In the program, click the button at the top of the window, an additional side menu will appear.
Click the "Settings" button in the side menu, you will be taken to the program settings window.
In the options window, click the Update firmware on the device button
The firmware will be written to the scanner. The device is now ready for use.
If you're not yet familiar with the ScanDoc software, you can read the detailed user manual.