How to install tech2 software on VXDIAG VCX Nano for 2003 GMC Sierra diagnosis?

One user has a 2003 GMC Sierra HD Diesel 2500 4x4 to test the airbag sensor. But has no idea how to install tech2 software on VXDIAG VCX Nano to troubleshoot, and don't know what files can help confirm what cables are compatible with the car.

Here attach 5 diagnosing images:

obd2shop.co.uk engineer solution: please watch this Youtube video on how to install tech2 software on VXDIAG VCX Nano


http://blog.obd2shop.co.uk/how-to-install-tech2-software-on-vxdiag-vcx-nano-for-2003-gmc-sierra-diagnosis/