The ".rar" extension indicates a compressed archive created with WinRAR or similar software.
Files labeled as "Part 1" are the first piece of a larger set. To successfully extract the game, you must download all subsequent parts (Part 2, Part 3, etc.) and keep them in the same folder. telechargement-battlefield-part1-rar
You can often find legitimate ways to access these games. For instance, Battlefield 1 Revolution is included for free with memberships like EA Play or Xbox Game Pass Ultimate . telechargement-battlefield-part1-rar