If you buy a qualified Windows 7 PC between June 2, 2012 and January 31, 2013, you can purchase a download of Windows 8 Pro at a special promotional price of only $14.99
You should expect to provide information such as:
Additional information may be requested to enable your registration to be validated, including the Windows 7 product key for your qualified PC.
The product key can be found on the Certificate of Authenticity (COA). The COA for the Windows operating system may be located in a variety of locations: