I use Steam and Win 10, by the way. I can't find where the files are located on my hard drive. Any suggestion where to look?

Just got this game and only started playing. So far - great game, and I look forward to playing it a lot more. Only one problem: when I view the map in overhead view, I lose sight of some of the lines and objects (such as the travel arc or the ship outlines). The background graphic interferes with t...