If you have purchased the product and didn't received any serial key, try contacting Microsoft Support. The section you need to contact is Account and billing. If you will successfully verified, a new key will be issued to you based on your purchase.
The Product Key was not given with the download.
If you have purchased the product and didn't received any serial key, try contacting Microsoft Support. The section you need to contact is Account and billing. If you will successfully verified, a new key will be issued to you based on your purchase.