The Sims 4 -- Fitgirl-repacks.site --.part57.rar -

: All parts (except usually the last one) should be the exact same size. If part57 is significantly smaller than the others, the download likely interrupted.

: Ensure you have every single part (e.g., part1 through part57 or more) in the same folder. If one is missing, the extraction will fail. The Sims 4 -- fitgirl-repacks.site --.part57.rar

For further assistance with the installation or specific errors related to this software, consulting the documentation or official support channels for the platform where the files were obtained is recommended. : All parts (except usually the last one)