NOTE: Anybody can use the Zotero desktop application without a Zotero account. However, users who do create an account can:
After installing the Zotero software and registering for an account, you now have access to Zotero online at: zotero.org. Before you do anything else, you will need to sync your account to Zotero on your desktop:
For more information about syncing, visit this page: https://www.zotero.org/support/sync
You can increase Zotero's functionality by installing web browser connectors for Chrome, Firefox, and Safari. Zotero also has plugins available in Microsoft Word and Google Docs. Here's how to get started with them:
For troubleshooting help, see this page: https://www.zotero.org/support/connector_preferences