barely know how to save a word document to a different location other than the default documents folder or how to full screen a presentation quickly

I was in IT support and I was seriously asked to “support” a (l)user that wanted me to let her know where was a Word document she had saved a few minutes prior. Flabbergasted, I just could ask “didn’t you check where did you put it when you save it?” Her answer: “What do I know about that? I didn’t study computer sciences.” 🤦‍♂️