licencing

I got a new Mac a while back and haven't been able to use Toolbox. I would like to use it. I have the license key and it is working for regular Parallels, but not the toolbox app on the same computer. I do not have the old computer ay longer and I am not using this on any other machines. Please...

OK, I've bought numerous versions of Parallels Desktop over the years, I just bought Parallels 18 a couple of weeks back. However, this thread is on an old version issue I am facing. I am trying to install Parallels 11 on an older Mac, for which I have bought a licence a few years ago. The...