first of all I have to say that Costa is very experienced in Cryptocurrencies, Blockchain and all other stuff arounf that subject. I may also say that he is probably the most experienced in providing support from the whole team, but I will try to help you too. Costa mentioned in general everything what you should know...
Maybe I can provide you a little trick to find the path:
open your wallet and go to Tools -> Open Masternode Configuratio
a Editor window will open, there press 'Save as'
And a folder will open, at the top of the explorer path you can see the path of your Bitradio Folder.
I hope I could help you