CiviCRM Wordpress Installer Database Instructions incorrect?
This is the MySQL password and not the WordPress administrator password.  If you used the same MySQL database for WordPress and CiviCRM, check wp-config.php in the root of your WordPress installation to find the password.

If you used separate databases (or you're not sure), find civicrm.settings.php.  On a new install, this should be in &lt;webroot&gt;/wp-content/uploads/civicrm.  Open it in a text editor and look for a line that looks like:

define('CIVICRM_DSN', 'mysql://&lt;mysql_user&gt;:&lt;mysql_password&gt;@127.0.0.1:3306/&lt;mysql_database&gt;?new_link=true');


The password should be everything after the second colon and before the @ sign.

Note: there's a very similar-looking like that starts with:
define( 'CIVICRM_UF_DSN'.  This contains your WordPress connection info and not your CiviCRM connection info.