Yeah this is the last version of Office that doesn't nag you and your can find keys or buy generated ones off eBay if you feel guilty or worried about malicious cracks.
I can't speak for others but as an older millennial, I grew up liking spending time on the phone with friends and loved ones. However in my adult life, I spent being anxious waiting for phone calls regarding job interviews and outcomes of them, and even being interviewed on some of them, including those without much notice. I also had to make calls to follow up things urgently or if I'm in trouble. As a result, I started to equate phone calls as mostly negative experiences.
Have you asked the Video Download helper team? I had an issue before where it wasn't picking up a media after an update and asked them and they fixed it by the next update. They're really good with support.
It sounds like your sister has sleep paralysis