When downloading files of this nature, ensure your antivirus is active and you are using a browser with strong ad-blocking (like uBlock Origin ) to avoid malicious pop-ups on file-hosting sites.
This specific file name corresponds to a multi-part archive from the FitGirl Repacks website, a popular source for compressed game installers. Key Information & Troubleshooting The Sims 4 -- fitgirl-repacks.site --.part20.rar
: To extract the game, you must have all parts (e.g., part01 through part20 or more) in the same folder. If "part20.rar" is the only file you have, the extraction will fail. When downloading files of this nature, ensure your