To ensure clarity, the first thing that you need to know about the workbench is the names for the various regions of the window. This will help to keep us oriented correctly during the documentation of the workbench.
If this is your first time opening screen-scraper the only item listed will be the root folder.
The size of the two panes can be adjusted to your liking by clicking on the vertical bar that divides the two panes and dragging it to the left or right.