About getting help in ArcReader
You can quickly get help with the buttons and menu commands you see on the interface in ArcReader. Hover over a command or button with the mouse pointer and press SHIFT+F1 on your keyboard.
You can also get help on some dialog boxes. When you click the What's This? button in the upper right corner of the dialog box and click an item on that dialog box, a description of the item pops up.
You can look up general help topics in the Online Help system using the Contents tab. You can search the Index for specific tasks and issues. You can also use the Find tab to search for specific words or phrases in a help topic.