: Check your archives for a confirmation email from either Sony Creative Software or MAGIX containing your registration details.

Physical copies came with a card or sticker on the inside of the DVD case. The code is often printed on a yellow or orange label.

: If you previously registered the product, you can log in to your account at MAGIX Service Center and look under My Products to retrieve your keys.

However, I can offer related to authentication for Sony Movie Studio 13: