: The .rar extension indicates it was created using WinRAR.
: If the extraction fails, it usually means one of the parts (not necessarily part 01) is corrupted or didn't download completely. PES2021.part01.rar
: Many of these archives are encrypted; the password is typically found on the website where the download link was sourced. : This file cannot be opened or installed on its own
: This file cannot be opened or installed on its own. You must have all subsequent parts (part02, part03, etc.) in the same folder to successfully extract the contents. : Once all parts are present, extracting "part01"
When large games like PES 2021 are shared or backed up online, they are often split into smaller "parts" (e.g., part01, part02, etc.) to make downloading more manageable and to stay within file size limits of hosting services.
: Once all parts are present, extracting "part01" automatically pulls data from the rest to reconstruct the full ISO or installation folder for the game. Technical Context