The Graph Properties screen (shown below) can be accessed in many ways.
The screen's left hand pane shows a list of pages of options. When you access the Graph Properties screen, you will start on one of the pages (depending on how you get to the screen) but the other pages are always available. At the moment we are looking at the options for Axes.
Set As Default
This permits you to save your preferences for future use. If, for example, you prefer that the origin is never marked, change the Origin Mark option to None and press Set As Default.