To actually use this file, you cannot open it in isolation. You generally need:
Are you having trouble this specific part, or2.1? WW2.Rebuilder.v1.2.1.part4.rar
v1.2.1 indicates a specific update or patch level of the game. To actually use this file, you cannot open it in isolation
If you want the most stable, secure version with automatic updates and cloud saves, it is best to purchase the game through official storefronts like Steam or GOG. To actually use this file