Go to settings and change your id to what you desire it to be changed (if it is already not taken). Remember you can do it only once in a year or so- so think and choose your id.
And do read this thread for further information on it.
https://www.indiaforums.com/forum/rules-and-announcements/1132287/regarding-username-changes
Thank you Janki for letting me know about this.
BTW as most of you might have guessed this is me Shubs- previously michifanreal.😃