Today,many customers have the software problems,like lose the CD,or there is some wrong with the software at very short time after they bought the quantum resonance magnetic analyzer.So they're very worried,and look for the sofeware here and there.Our software is the authorized version,and can be freely upgraded forever.If you want to get the software,pls freely contact me without any hesitation.My email is yikang.catherine@gmail.com. Best wishes for all you quantum analyzer users.