Label on the installation CD sleeve: If you have an older version of Surfer and got a CD shipped to you, starting in 2011, the serial number is located on the sticker label on the installation CD sleeve.The About dialog box will show the serial number at the bottom, as shown below. In Surfer versions 7-12 of Surfer, you can find your serial number by clicking Help | About Surfer.
The Product Key is listed on the top line, as shown below. In the program: Beginning with version 13 of Surfer, you can find your product key by clicking the File | License Info command.Download instructions: If you received download instructions from our sales department at the time you purchased the software, the serial number or product key was included in that email.Click on the Surfer version to expand it, and your registered serial number or product key is displayed. Your Golden Software user account: Log into your My Account portal and click the My Products button or (or the My Products link on the left).There are many locations where you can find your Surfer product key or serial number.