There is no "exclusive" secret version of these files that boosts performance. The "setup-fitgirl-selective-english.bin" is a mandatory component for English speakers, and "part4.rar" is simply a piece of the puzzle. Always stick to the official FitGirl thread to ensure your files are clean and compatible.
Explaining what repacks are, how legitimate game installers work (e.g., GOG offline installers), and the risks of piracy (malware, legal consequences, lack of updates). setupfitgirlselectiveenglishbinpart4rar exclusive
Large files are often split into volumes ( .part1.rar , .part2.rar … .partN.rar ). You need all parts to extract the original file. Legal use: Purchasing a game from GOG or Humble Bundle that comes as a multi-part archive. There is no "exclusive" secret version of these
Some games come in ISO format, which needs to be mounted: how legitimate game installers work (e.g.