There are four steps to downloading Zotero or Jurism:
See below for more detailed instructions with screenshots.
Go back zotero.org, click download, and download and install on the browser that you use when you do research. If you're already on the browser when you visit the site, Zotero will automatically suggest that you download that connector.
After installing the connector, make sure that it is pinned -- and therefore visible and easy to access -- in your browser window. Below is an image of how to display and pin all active extensions on Google Chrome. Depending on your browser, it might look slightly different.
Click here to register a free account.
Note: Do this whether you're downloading Zotero or Jurism. They both synch to zotero.org.
Open the Zotero or Jurism desktop application.