Please download the tool to get device’s registration number.
Yes, please send your question to How to get Support service? If you already installed Digital Persona driver before, please unplug the device from USB port, uninstall Digital Persona driver and you must restart the computer. You need to install FlexCode SDK setup file. How to get device’s registration number ?.So please use F45448DE75A as serial number. Please get device’s registration number and use the first 11 characters and numbers of registration number as serial number. It is usually composed of 11 characters and numbers below the barcode.
Serial number are on the back of the device. You can use the FlexCode SDK as long as the device can still be used.
Please uninstall it and reinstall FlexCode SDK. If not, could be a possibility in your computer have other fingerprint drivers.