1. You can highlight and annotate PDFs you have saved in your Zotero library directly within your Zotero library.  Begin by double clicking the PDF you want to read and annotate in your Zotero library. A new tab will open with your PDF attachment.

2. Within your Zotero library, click on the tab with the PDF. Use the highlighting, notes, or screen capture tools to track key information.

3. To pull all your notes, annotations, and screen captures from a PDF into a single note within your Zotero library for easy viewing, right click on the source title within your Zotero library. From the right click menu select Add Note from Annotations.

4. Re-open your PDF any time from within your Zotero library to access your PDF and your highlights and annotations again.