You can populate your Zotero library from PDFs using either of the following methods.
Method 1:
Method 2:
Ensure that your Zotero library is already open.
From the Library Search result list, check the boxes for results that your want to export. Click the "..." icon to show more options.
A list of file options will appear. Select “Export RIS” then click on the “Download” button.
Double-click on the RIS. file (or find it in your downloads folder and click "Open with > Zotero") to start the import.
Subsequently, this pop-up will appear to indicate the reference is being saved to your Zotero library. You can choose which collection in your Zotero library you want to save it to.