What does it take to change username

As many of you know life changes. It continually changes the person you are and what you believe in. My life has changed in the past 2 months i think differently i work sort off in a different industry and have changed the way i plan to reach my goal. While all this is normal chamging your identity isnt but thats what i would like to do. Changing the username i have to a new one is something i feel must be done and now. So how hard will it be on steemit yo do that ?

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