Set account to private
From your account, tap . Tap “Settings”. Tap “Privacy” and then “Account privacy”. Then swipe to toggle the feature on.
Controls & Settings guide
Instagram features a number of functions to help your child manage who can see their content and how they interact with others. They can also use the reporting function to flag content that breaks community guidelines and upsets them.
A Instagram account (username and password) and the app
See more resources and articles to help children stay safe online.