How to change your account from child to adult

To be able to change your age from what is a "childs account" to an adult, please visit this guide on how to promote your child account to an adult one.
support.microsoft.com/.../945418

As said there is no way to change your child's account to an adult account until the age of birth you have put has reached the age of an Adult for your specific region. There are some troubleshooting tips that if your account is past the birthday and still
a child's account there is a way to promote to an adult account.

https://answers.microsoft.com/en-us/windows/forum/games_windows_10/how-to-change-child-account-to-ad...

try to change your account from child to adult

Good night. Go to xbox.com account settings and evaluate the changes.

Hi InvertedQuikz !

Go here to
Change the birthdate on your Microsoft account.

Something that is also available is to fill out the
Age verification form. You can submit proof of age by filling out the
Age verification Request.

After submitting this form, you’ll receive confirmation and follow-up emails. Instructions on how you can monitor the status of your request will be included. Please do not submit multiple requests. You can expect an email response
within3 days.

Hope this helps!