Many of Zotero's features can be customized via the Zotero preferences window. Open the preferences by clicking “Edit → Preferences” (Windows/Linx) or “Zotero → Preferences” (Mac). You can also press
The Preference window is divided into the following panes:
In addition to the preferences shown in the Zotero preferences window, Zotero has a number of hidden preferences that only can be changed by opening the Config Editor under the Advanced pane of Preferences.