The display name of your WordPress account is the name that appears on your WordPress posts and comments.
Here's how you can change it.
1. Log in to the WordPress Dashboard.
2. From the Dashboard menu, go to Users and click on Profile.
3. Locate Nickname and enter your new display name.
4. From the Display name publicly as, choose your newly added nickname from the drop-down menu.
5. Scroll down to the bottom of the page and click on Update Profile.
