I guess it is obvious that my computer has now been repaired and returned. A temporary colleague took it to Kelowna, which shortened the delivery time to Toronto. It came back with Windows 10 installed. My headphones do not work. So it is definite that I have to get new headphones. I am using a Word Trial and I was able to get another EndNote trial. I have not decided if I will go back on the Windows Insider Fast Track in order to keep my Word trial.