If you need help, try one of these:
This self-paced tutorial walks you through the basics of using Zotero.
Zotero is open source software with an active, supportive community of users. Search for your problem in the forums to see if there's an existing solution, or post to the forums and see if the community can help!
Use this link to schedule an appointment with a librarian for one-on-one help with Zotero.