Adding money to a PlayStation 4 child account is a simple process that can be completed in just a few minutes. First, open the PlayStation 4’s system menu and select “Accounts.” From here, select the “Child Accounts” option and enter the child’s name and password. Next, click on the “Create New Account” button. Enter the amount of money you want to add to the account and click on the “Create Account” button. Once you have created an account, you can use it to make purchases or withdraw cash from your bank account.