The Vivado Quick Help system is available from within the Vivado IDE when you click the 
button in dialog boxes, windows, and wizards. In Windows, the
button appears in the upper-right corner.
A browser-like window opens with an overview of the feature and the various inputs or settings that drive it. The Vivado Quick Help system also provides references to user guides, QuickTake videos, and other documentation for a specific feature.
The Quick Help browser window includes a search function for locating text within a specific help file. The browser has back and forward buttons for viewing the history of Quick Help windows viewed while working in the Vivado IDE.
The button appears in the
lower-left corner of wizards and dialog boxes.