Go to Settings
Tap your name at the top of the screen
Tap ‘Password & Security’
Scroll down to ‘Legacy Contact’
Tap ‘Add Legal Contact’
Select a family member or contact
Tap ‘Send a message’ or ‘Print a copy’
Now follow the final instructions.
Sometimes you just need to know how to use a feature or do something new without loads of adverts or pop-ups getting in the way. I hope this tip was useful to you.