: Right-click on Part 1 using a tool like WinRAR or 7-Zip and select "Extract Here." The software will automatically pull data from Part 4 and the others to recreate the full game folder.
The Alpha was the first playable build released to early backers (Founders) before the game's official launch on December 7, 2023. Because modern games are large—the full Steam version is approximately 36.5 GB—they are often split into smaller .rar or .zip parts (Part 1, Part 2, etc.) for easier sharing or downloading. Warhammer.40000.Rogue.Trader.Alpha.part4.rar
"Part 4" does not contain a specific chapter of the story on its own. Instead, it is a piece of the entire Alpha installation. To "prepare" or use this content, you typically need (Part 1 through the final part) in the same folder. : Right-click on Part 1 using a tool
: Ensure you have part1.rar , part2.rar , part3.rar , and so on. "Part 4" does not contain a specific chapter