You may find your Google Scholar landing page is not identical to the one in the screencast. If so, click the three lines at upper left of the landing page, then click Settings.
The advantage of enabling the UML library is that once you find articles on your topic, if UML library subscribes to them you will see an icon call LIBKEY in the lefthand corner of the screen giving you the option of downloading that article.
You will need to be signed in to your Google account to use this feature, and you should be signed in to your UML email as well. Go to the Google Scholar landing page and click Sign In at the upper right corner of the screen.
In the Settings dropdown choose Library Links: type in University of Massachusetts Lowell and click Save.
You can also add the ones below and then hit SAVE.