: You typically right-click on part1.rar and select "Extract Here." The extraction utility (like WinRAR or 7-Zip) will automatically pull data from part2.rar , part3.rar , and so on, to reconstruct the original game files.

: This indicates that the total game data has been split into multiple smaller files (volumes). Because Forza Horizon 5 has a massive install size (often exceeding 100GB), distributors split the installer into parts (part1, part2, part3, etc.) to make downloading and storage more manageable. .rar : The file extension for a WinRAR compressed archive. 2. Role in Installation

Files named in this specific "multi-part rar" format are commonly found on third-party file-sharing sites, repack mirrors, or forums rather than official storefronts like Steam or the Microsoft Store .