Step one: Do your search.
Please note: On the results page you will see a folder icon near the URL.
Step 2: Click on this folder to bring up a selection box and click on the pdf's you'd like to save.
Please note: You will see a box in the lower right hand corner listing the items that are being saved.
Further: To bring up the items you've saved, click on Zotero in the lower right hand corner of your browser.
This will bring up the list of items in your library.
Further: To view the PDFs, click on the arrows to the left of the title.
The OED is widely regarded as the most significant dictionary of the English language, offering the meaning, history, and pronunciation of more than 600,000 words —past and present— from across the English-speaking world.