Right-click ( .part01.rar or .part001.rar ). Select "Extract Here" using a tool like WinRAR or 7-Zip .
: You cannot extract .part04.rar by itself. You must have all parts (e.g., part01 through part13 or however many are in the set) in the same folder. How to Extract : Place all numbered parts in one folder. The Sims 4 -- fitgirl-repacks.site --.part04.rar
If you are looking for the password or instructions to extract , here is the essential information: Right-click (