Comment Registration enables inline registration of new accounts while commenting.
Comment Registration is enabled and configured per content type via the "Comment Registration" fieldset below "Comment settings".
Ensure that users can register accounts. In admin/config/people/accounts select "Visitors" or "Visitors, but administrator approval is required" under "Who can register accounts?".
Currently incompatible with Comment Access.
Contains less features than the Drupal 7 branch and is no longer actively developed or supported.