If you have a log-in from ExcelCentral.com you are on the wrong site. ExcelCentral.com subscribers need to log in here.
If you have purchased a video course you cannot view it directly from this page. To view the video course you first need to log in (on this page). After logging in you can select the product you have purchased (using the top or bottom menu bar) and you will then see thumbnails for all videos appear on the page.
If you have purchased an e-book you need to click the Downloads button below. You’ll then see the e-book you have purchased with a big green button next to it. Click the button to download the e-book. To download and view an e-book on an iPad read this guide.