Window Scroll Preferences

As mentioned on the previous page, you can choose to have one scroll arrow at either end of the scroll bars, or set them together at one end of the scroll bar (which allows you to scroll through a window in either direction without having to move your mouse to the other end of the scroll bar).

You can also choose what you want to happen when you click in the gray area of a scroll bar, as shown below.

System Preferences

General

To change the scroll arrow and scroll click options:

1.
In the Dock, click on the ...

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