Have a conversation with your parent(s) about their housing situation, any legal documents they might have and their finances.
It would be a good idea to have their passwords for their all their electronics-ie: computers, tablets, email and security alarm codes.
Also have these conversations before something happens. Better to get the information early so you can stay on top of any issues.
It’s hard sometimes to see your parents aging. It’s hard for them too, especially if they are losing their independence and mobility. Just be patient and compassionate.