Move Xbox account from parent Microsoft account to child’s (now adult's) account

Xbox Live determines whether an account is a child account or an adult account based on the age of the account owner. Child accounts are tied to an adult's Microsoft account.

After you reach the age of adulthood (which varies by country and region), you can promote a child account to an adult account. This promotion can be done only from the parent's account

Hi, I hope you're doing great out there. I am an Independent advisor and I am here to help you in regard to your concern.

There is no option to move an Xbox profile but you can change the primary alias of your Microsft account which is where your Xbox profile is linked.

There are just some reminders from Microsoft themselves: "Warning When removing an email alias that’s connected to a Microsoft domain (such as @Outlook.com, @Live.com, or @Hotmail.com), that email is completely deleted from our systems and can’t be used to send or receive emails. It won’t be available for use again as an alias on another account. Microsoft doesn’t recycle email addresses, so it can’t be reclaimed at a future time."

Make sure to set a Microsoft account as an alias first before making any changes because that may cause the deletion of your Microsoft account along with the Xbox profile.

https://support.xbox.com/en-US/help/account-pro...

It's great that you want to make such an amazing gift for your friend's grandson.

While others already described how to remove your account, please help your friend make an account for himself (an adult account), and a separate (child) account for his grandson.

Some (grand) parents make the mistake of using their own adult email account and let the kid play with that.

However, by using their own adult account for the kid, the kid is regarded as an adult for the console, and the parent is unable to prevent the kid from talking to internet strangers for example, or limit the playtime. Also, this prevents the kid from going
on an (accidental) shopping spree, and buying stuff from the Xbox Marketplace with the parent's credit card or bank account.

So please advise your friend, that when they create an account for his grandchild, that he (or the father of the kid) should create their own adult Microsoft Account and then a separate child account (by giving the kid's actual birthdate during account creation).

After the child account is created, the parent should then go to
https://account.microsoft.com/family and add the child account to their family.

That way, the parent can set permissions and privacy options to make the Xbox a safe place to play.

Additionally, this avoids later issues, where the kid would be able to access the parent's email or other Microsoft Services, if the parents let the kid play on their account. Later, you can't move the kid's gaming account away from the parent email account,
without the parent's Microsoft Account being deleted.

So, if I understand, you account is an child account and you want to unlink your parent's account from yours? Unfortunately, child account are not allowed to be managed without and adult account attached, you can ask yours parent's (adult account owner)
to contact support and ask for a change of adult account, re-alocating the child account to another MSA adult

If your account is a "child account", and is associated with a "parent/adult account", you may likely be restricted from making various purchases on the Xbox Store.

There also may be settings (that the parent/adult account may only modify) that can restrict the child account from accessing content based on the ESRB rating.

I'd check in with the owner of the parent/adult account to see if they can help you pre-order Rise of Iron.