Desgning
To Show or Hide the Rulers
  1. Choose Preferences/General from the Document menu.The Preferences dialog box appears.

  2. Click Ruler to change the setting.

  3. Click OK.The rulers appear in (or disappear from) the active document window.

You can use the Preferences dialog boxes to change any preference that affects the current document you're working on (except the Virtual Memory option). To make the preferences in the current document become the preset options for any new document you're going to open, choose Save Defaults from the File menu.