Zotero will not work with Internet Explorer.
Please install/use Chrome, Firefox
Zotero (pronounced "zoh-TAIR-oh") is a Firefox/Chrome addon that collects, manages, and cites research sources. It's easy to use, lives in your web browser where you do your work, and best of all it's free.
Step 1: Install Microsoft Word
If you don't have Word, signup for Office 365.
Download and install, Zotero won't work with Office in the cloud.