Please be aware that Epic display name changes only affect PC/Mac and Mobile. To change your Twitch, PSN, or XBox Gamertag please contact Twitch, Sony, or Microsoft for assistance.
You may change your Epic account display name by visiting your account's Personal Info page. Your Epic display name represents you in all Epic Games products on PC as well as the Unreal Engine Forum and AnswerHub.
Epic display names can only be changed once every 2 weeks.