I am using 1.3.9h. I am trying to change the template. Before I make changes, I would like to save the site as it is now in case I screw up the changes. Instructions read: NOTE: Always backup the files in /languages/english/html_includes/your_template

My problem is I don't know where to find /languages/english/html_includes/your_template

There are several other things I need to change, but all of the explanations are very similar to the above and I don't know where to go to start looking for these things.

I am sure once I get directions, the problem is simple, but I can't find the starting place. Any help would be appreciated.