If you've downloaded software that requires a product key (or license / serial number / activation code), the product key can be found on your order receipt.
To view your product key:
Sign in to the WebStore from which you ordered the software.
At the top of the page, click the Your Account/Orders link.
In the Order History section, find the order for the item for which you need the product key .
Click the View Details link next to the correct order. You are directed to your order receipt. The product key for each item on your order that requires one is displayed below the item's name.
If you are having trouble locating your product key, contact support by clicking the Contact Us link at the bottom of the Help page.