Can't access Administrator Account on Windows 8

I set up the Admin Account with the incorrect email address - @yahoo.com instead of @yahoo.co.uk and now I can't access the Admin account.

I have tried to reset the Admin password, but on the https://account.live.com/ResetPassword.aspx it would not even recognise the @yahoo.com sign on.

How can I get out of this? Is there a way of resetting Windows 8 or making the correct account the administrator without the Admin access?

Hello Paul, and welcome to Eight Forums.

You might see if this may be able to help. You can do it online from any computer.

http://www.eightforums.com/tutorials/9200-microsoft-account-change-email-address-windows-8-a.html

Hope this helps,
Shawn