To use the command line to install Surfer, you can simply enter the path to the installation file in quotes. Use the /s after the EXE name to indicate a silent install.  

For example, you can open a cmd window, navigate to the folder with the Surfer installation EXE file in it, and use the following command line to install the defaults:

"<filename>.exe" 

Or, you open a cmd window and use the following command line to install the defaults:

"<file path>\<filename>.exe" 

See also: 

How can I download my software from the Golden Software website?

What install switches can be used with Surfer's .MSI installer?

Updated March 21, 2019