What happens next in this paragraph?

How to create a recovery disc in windows 7 
Understand what this disc does. 
In order to create an installation disc, you'll need your windows 7 product key. If you purchased a prebuilt computer or laptop, you can usually find the product key printed on a sticker affixed to the bottom of your laptop or on the back of your tower.
Options:
 A). You can find the product key on one of the top-right corner corners of the windows desktop or in the center of the left section of the dashboard. You can see the product key under the " appearance " panel; click on it..
 B). It may be included with your computer's documentation. If you purchased windows 7 from a store, the key will be in the dvd case or in your confirmation email..
 C). The letter " a " may be a different combination from the other two codes. For example, " close " may mean " deactivate " and " go " may mean " close..
 D). The product key is used to partition the disc. After you've obtained this key, it takes your computer a few minutes to install the disc..
B).