If you need help, try one of these:
Zotero Self-Paced Tutorial
This self-paced tutorial walks you through the basics of using Zotero.
Zotero Forums
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!
Ask a Librarian: Make an Appointment
Use this link to schedule an appointment with a librarian for one-on-one help with Zotero.