This is a great deal and legitimate. I had my concerns at first, but then I had some trouble setting it up on my Mac (I'm not exactly tech savvy) and their customer service (the license customer service) was phenomenal! I do mean phenomenal. I sent several emails to them and they responded within the hour, sometimes within minutes, walking me through the process all the way. John was incredibly helpful and responsive. I'd definitely buy from them again. Don't hesitate. I have the entire MS Office on my Mac now.