You can only skip it if you are using a "selective download" feature (like on a torrent client). If you download the full folder and then delete this file before running setup.exe , the installer might crash or fail the integrity check.
While it looks like a cryptic command line instruction, it has become shorthand for a very modern problem—the paradox of the "Hot" useless file. fgoptionaluselessfilesbin hot
In the context of , the "fg-optional" or "selective" .bin files are extra components that are not strictly necessary for the game to run. The Most "Interesting" Feature: Modular Installation You can only skip it if you are
Run any of these and search for the keyword substring "optionaluseless" or "bin hot" . fgoptionaluselessfilesbin hot