How can I change my Windows Live MSN Address, to my Hotmail account address?

My MSN address in Windows Live Messenger is not my hotmail address, how do I change it to my hotmail address, I can't see where I can change it.
How can I change my Windows Live MSN Address, to my Hotmail account address?
sign into live messenger using your hotmail address and password i think this will work
Reply:hi


on the main sign in window


write your hotmail address and password


then click on 'sign in





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