INSTALLATION: Be sure to unzip with "folders" option. Copy the folder "phpBay" to your wordpress plugins folder so that it is a subdirectory. example: /wp-content/plugins/phpBay/ Copy "auction.php" to your site's root folder. This will normally be where your index.php file is located. Open your wordpress admin panel and go to the plugins page. Find and activate the phpBay Pro plugin Go to the "Options" menu. Click on "phpBay Pro" Set your options here, including your Ebay PID and Custom ID. Custom ID MUST be set for Ebay Partner Network. The default campaign is "Default campaign". If you add another campaign to Ebay, and want to use that, specify the Campaign Name as the Custom ID, otherwise, set it to "Default campaign". Save your options. Below the options are additional instructions on the use of this plugin.