To see what your child's been buying in Microsoft Store on Windows 10 and Xbox One devices:
- Go to account.microsoft.com/family and sign in with your Microsoft account.
- Find the child’s name whose purchases you’d like to see.
- Select More options > Spending, then scroll down to Purchase history.
- To see more than 90 days of purchases, ask your child to sign in to account.microsoft.com/family, go to Payment & billing, and select Order history.