Using mac without icloud/apple id

She doesn't use the app store or anything that she needs icloud or apple id for but I just worry if I turn it off it will continually ask for a login and become a nuisance. She doesn't understand enough to know what it is asking or why it is asking. Most of the times when the computer gets in a "jam" she has no idea what she did to get it there. She often times accidentally pressed something or clicked somewhere she didn't intend to and she doesn't understand enough about computers to know what or why. Like I said she is very computer illiterate.

The problem is she doesn't understand enough to know what she did to cause it to ask for a login. Most of the time it has to do with mail since that is one of the things she uses the most. I think she has an icloud email but she never uses it. She uses the cable email address and to have her change would be overwhelming. Most of the time she accidentally presses a key or clicks on something. And if it continually asks for login info it will confuse her because she won't understand enough to know why or what it is asking her. She is one of those who if she didn't tell it to do something she doesn't want it to do anything, even if she unintentionally asked it by accidentally clicking or pressing something. If I were to turn it off and that caused the computer to constantly ask her to login that would confuse and annoy her more. I guess I can try and see what happens.

My step-Dad is in a facility and not mentally capable for such tasks anymore, unfortunately. That is the problem is he set it up under his id but now that he isn't at home to fix such things she becomes overwhelmed when these issues arise. So she calls me but trying to visualize what she is talking about or what she is doing when she doesn't understand computers is frustrating for both of us. The easiest thing would be to just turn everything off so it doesn't ask her to login. But I don't want to turn things off if that is going to constantly ask her to login. That will jut frustrate and irritate her more.

I wish it were that easy. That would be like teaching you nuclear physics (assuming you aren't a nuclear scientist). And the closest Apple store is several hours drive away. Like I said anything that happens that she didn't intend to do confuses her. So when she accidentally has her finger resting on the trackpad and taps it and it opens a new window she thinks she just started WWW 3. She has no concept of how to problem solve. She doesn't even own a microwave. The last car she bought she got the previous year model because it came with an actual key. Even the tv remote boggles her. If anything technology related does anything she purposely didn't do it's an ordeal. She was born 200yrs too late. She just doesn't want to deal with it. If I were to create one for her she would still be confused as to why it is asking her since she didn't do anything to prompt it (in her mind). Thanks for the help.

Like I said initially I just want to know if I turn it completely off will it continually ask to login. Maybe I can go to an Apple store and ask. They would probably just give the suggestions I have received already. She just needs email, internet and occasionally word processing. She doesn't even like updating since if it changes anything, no matter how small, then she is lost until she relearns things again.