Zotero is a reference manager. You can use Zotero to store, organize, and cite references such as monographs, scholarly articles, webpages, case law, and statutes from your research.
Zotero is a service of the Corporation for Digital Scholarship, based in Vienna, Virginia, which supports free and open source software for academic research.
First, download the Zotero desktop software to your computer.
Second, install the browser extension.
After installation of the browser extension, you should see a Zotero icon in your web browser's toolbar.