Mendeley is a free reference manager for organizing your research, including citations, PDFs and more. Mendeley also has an online crowd sourced research database allowing you to discover new research and collaborators.
Step One: Register a Mendeley Account
Step Two: Install Mendeley
Step Three: Explore and Become Familiar with Zotero Functions & Interface
Step Four: Explore Mendeley Quick Start Guide
Step Five: Start Adding Content to Your Library