I have a new MBP Retina 15" and need to run some windows software for business. I ordered Parallels 8. I then downloaded Parallels 9 because it allowed me to download Windows 8.1. I installed it as a trial. Then, when Parallels 8 showed up, I installed it, it recognized 8.1, so I downloaded a windows 8upgrde and installed it. This seems to have worked. However, I think aim overlooking something and when the trial expiration arrives ill be screwed. However, I no longer get the message to purchase the license. Anyone have any idea if the above process works? Thanks.