I want to buy software,but I cannot,publisher lost?

Hello everybody!
I have question.Someone did try to buy software”Lotto Gear DC”,what offer Techrepublic?I did fourht time.But publisher lost or dead,I do not know.Not answer,not licence key.Serwice,who assist
refund money fourth time and that it.
This I not understand,why you offer that software?
Thank you!
Regards.