Setting up SEO-friendly Permalinks in Drupal is fairly straightforward:
1) Check “Clean URLs” setting under Administer->Site Configuration. Enable it, if not already enabled.
1a) If the option to enable is disabled (grayed out), then you may need to modify your webserver settings (check Drupal site for info), or edit your .htaccess file in your installation directory. If your . . . → Read More: Drupal Permalinks: Path, Pathauto and Token Modules