The Create User widget allows you to create a new user without going through the Control Panel.
You can only change the name of this widget. To do so:
Add the Create User widget to your theme.
Enter a new name in the Widget Title field of the Options tab.
Click Save. Telligent Evolution saves it to your theme.
After saving the widget, you can add any custom profile field(s) you may have created when setting it up to create users.