To Use the Index of Help Content

Click the Index tab.
Do one of the following:

Open the web browser's search (<Ctrl+F)>), and in the search field, type the word you are searching for.

or
Scroll through the index using the scroll bar to find a specific entry.
Click the desired entry.
The content that the selected index entry is referencing displays in the topic pane.

Note: If you select an entry that is indexed in more than one topics, a window pops up from which you can select the desired topic.