Regarding your concern, please find our instructions below:
- Go to Settings -> General from your Admin Dashboard.
- In the Membership field, you tick on the checkbox “Anyone can register“
- Then click “Save” to complete the setting.
- You may want to follow my step-by-step tutorial here.
Also, don’t forget to visit Engine Settings -> Settings -> General to disable the “Disable automatic page creation” option.
Hope this helps.