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At the bottom of the list of Extensions you have installed on Chrome, click Get More Extensions
in the Chrome Web Store search for Endnote and select Capture Endnote Reference. To install it, click on the Add to Chrome button next to it.
When asked for permission to add it, Choose Add extension
Using the Capture Reference tool
When searching a database, go to a page that only shows one item.
Then click on the Capture Reference bookmark, or the Endnote icon
You will be asked to sign in to Endnote web if you are not already, and then the Capture Reference screen will come up. Verify the information and click Save To.