'Add Section' button in the editor, then click the
'Options' button, followed by the
··· icon to the right and clicking
Enable will turn the option on.
Link button to paste in your URL and click
OK. Be sure to click
Save at the top of the sidebar to save your changes in the editor. Then, just publish the form, and you are all set!
Terms and Conditions checkbox
for Terms and Conditions will turn that off if not needed.
If you have any other questions around this setting, please feel free to contact us at firstname.lastname@example.org