: Log in to the MAGIX Service Center with your registration email and password. Your serial numbers for all registered products will be listed under the "My Products" section.
: Search your inbox for a confirmation email from MAGIX or a voucher code from a third-party seller (like Best Buy). sound forge pro 12 serial number free better link
and lost your key, do not look for "better links" online. You can recover it officially: : Log in to the MAGIX Service Center