The Surfer SET file, which stores Surfer's defaults, is located in the AppData folder. To view this location, hidden files and folders must be visible in Windows. The full file path to the set file is:
C:\Users\<username>\AppData\Roaming\Golden Software\Surfer (version#)
The <username> field in the path above will be your user name on the computer.
Updated November 7, 2018