Right-click only on .part1.rar and select "Extract Here" (using WinRAR or 7-Zip ). The software will automatically pull data from .part2.rar and all subsequent parts to recreate the full installer folder.

Here is a quick breakdown of what this file is and how to use it: What is this file?

FitGirl repacks usually include a "Verify BIN files before installation" tool. It is highly recommended to run this to ensure no data was corrupted during your download. Safety Tips