This video shows two items. First, it shows how to display the estimated execution plan. This plan illustrates the objects SQL Server will utilize to efficiently complete a query.
The sample database is borrowed from Petkovic, Dušan, Microsoft SQL Server 2012: A Beginner's Guide, 5th Edition, McGraw Hill, 2012, 978-0-07-176160-4 .
The second item shown is how to create an index using SSMS. One column and the fill factor option is included.
The end of the video re-displays the estimated execution plan proving that the index will be used.