Your site has an embedded Donation Form to allow donors to submit their donation online. The Donation Submission Form does not need to be turned on - all you need to do is edit the default introductory text and confirmation email message (if desired) and then send invitations to donate and/or advertise and distribute links to the URL.
2. Review/Edit Confirmation Email
4. Online Donations can be reviewed from Pending Donations:
Instructions for Managing Pending Donations.