Just a reminder...
Most radio programming software in the land mobile or commercial world is copyrighted by the manufacturer. Some of those manufacturers aggressively guard those copyrights. In order to protect the very existence of the RadioReference forums, RR rules prohibit using the forum to buy, sell, trade, or to request to buy, sell, or trade radio programming software.
I'm not saying any lines were crossed in this thread, but just be aware that the standard answer to the OP's question is almost always going to be "buy a licensed copy from the manufacturer or one of their dealers".
American Communications Systems is a source for Kenwood software that I've used in the past. Here's their listing for KPG-49D:
KPG-49D