While the original game files might exceed 30GB, FitGirl's version is compressed down to approximately 15–17GB .
You cannot use this file alone. To successfully install the game, you must have all parts (e.g., part1, part2, part3, etc.) in the same folder before extraction. Company of Heroes 2 [FitGirl Repack].part3.rar
For a smooth setup experience, watch this guide on how to correctly merge and extract multi-part FitGirl archives: While the original game files might exceed 30GB,