To change the full name in your edX account:
- At the top of any page, select the dropdown menu icon next to your username.
- Select Account. You can also navigate directly here: https://courses.edx.org/account/settings
- Next to the Full Name field click Edit, then make the changes you want to your full name.
- When done, click save
Note: You can change your full name, but you cannot change your public username.