The installation follows the standard of any IP plugin.
In options we have:
Use Separate Email: type an email here to overwrite the site email.
Comment Limit in 10 min.: Comments allowed during this time range.
Comment Limit in 60 min.: idem above.
Require Admin Permission: if the submitted comment needs admin approval.
Require Email Confirmation: if the submitted comment require email confirmation by author (user).
Require Login to Comment: If it is necessary login to comment.
Inform About New Comments: If Admin is notified (via email) on new comments.
Display Date: If date and time is shown at the comment.
Items per Page: Comment pagination.