You can access help in several ways:
Move the cursor over a button to display its tooltip. A short hover displays first-level tooltip content, which provides a short description of the button command:
Where available, a prolonged hover displays second-level tooltip content, which provides an extended explanation:
Use the Help menu to access information about PowerShape and Autodesk.
Click the Help button in the top-right of the screen to display the Help menu, and then choose:
Use Shift+F1 to access context-sensitive help on buttons. When you hold down the Shift key and press F1, the cursor icon is displayed. Move your cursor to the relevant button and click, for example: