How to change account on a xbox gamertag?

Details on how to change your gamertag can be found here How to change your gamertag

As said above, you can change your gamertag for $10.

You can see how to change it for Xbox One
here, and how to change it for Xbox 360
here.

Have a good day!

Hello httpsbecky,

Thank you for posting on the Xbox forums. We understand that you are interested in changing the gamertag that was assigned to your Microsoft account. Once an Xbox profile is created on a Microsoft account, the account is automatically assigned a gamertag.
Each account gets one free gamertag change. We have a support article which explains how to

change your account's gamertag. The article provides steps on how to change your gamertag through the Xbox website. Does an error message or error code appear when you attempt to change your gamertag online? Be sure to let us know the results!

How to change gamertag name: http://support.xbox.com/xbox-live/how-to/xbox-live-account-management/change-gamertag

To change this account to gold. Click "Go Gold Now", here:http://www.xbox.com/live/joinlive

Hello Ben,

Thank you for posting on the Xbox forums. We understand that you are interested in learning how to change your gamertag. The article entitled, "How
to change your Xbox gamertag" contains information on how to complete this process. Everyone gets one free gamertag change. If you gamertag was changed by the enforcement team, you will need to pay the fee for changing the gamertag. We hope this helps!