I am the opposite of most comments here. Don't stupid her away to a mobile device. We got our mom a computer, a cheap one, and told her to play with it. Break it. Click everywhere. Soon enough she was playing with windows settings. Soon enough nothing worked. She now knew you can brick computer, she is more careful. We fixed the computer and she explored the internet. She asked how she could download wallpapers, we i…
It is after all how the rest of us learned. Windows 95 (alpha) was so unreliable you had to reinstall it monthly as it ripped itself apart so you got to know how to reinstall windows and get it setup again. I spent time in the control panel after that because I knew how to start over. 20 years later after countless errors my computer gets reinstalled when Microsoft pushes out a garbage patch or I get new hardware.
Thank you for this very important reminder. Everyone has to learn this at some point, and will necessarily start from a position of relative ignorance; the fact that someone hasn't learned it yet doesn't mean that he or she is stupid, and it's wrong to treat it as such. (Not to say that anyone here, particularly the poster, has said or even thinks this; but it's easy to fall into that mindset, at least for me.)