How to change apple id from hotmail

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Use your Apple ID account page

1. Go to appleid.apple.com and sign in. 
2. In the Account section, click Edit. 
3. Under your Apple ID, click Change Apple ID. If you try to change your Apple ID to an @icloud.com email address created within the last 30 days, you might be asked to try again later.
4. Enter the Apple ID that you want to use.
5. Click Continue. 

If there isn't an Edit button by the Account section, there is a contact link.

Apple ID Support

Apple ID Support (2) 

Apple Support by e-mail or chat    Work through the screens to get a chat option.    

Apple Support using Twitter

Or fill out and submit this form.          The form is for iTunes, but it will get passed to the ID Support section.  

There isn't an Edit button?

Apple ID Name Change

What to do after you change your Apple ID or password - Apple Support     I suggest doing this before you change your Apple ID or password