Install from folder "NI_Runtime_NI_ser_ 2012" the software as follows:

1. LVRTE2012f3std   - this is the Runtime Engine of National Instruments LabView2012 

2. niser360f3       - drivers for serial communication ports of National Instruments LabView 2012

3. Start the application file - for instance 'sonoweld 6kW.exe' from folder 'sonoweld DDS_6kW '.