Create the Index
After you mark your text for entry, you can create
the Index.
Try This:
Insert the Index
An Index is usually at the end of document. Please
place your cursor at the end and insert a blank page.
Go to Reference -> Index.
Select: Insert Entry.

What Do You See? By default, the Index
is indented and formatted for 2 columns. The new Index will show the
marked entries as an alphabetical list that includes the page
numbers.