To get the game files out, you cannot just open part 19 by itself. You need to follow these steps:
Ensure you have all parts (part 1 through the final number) in the same folder. Monster.Hunter.World.Iceborne-PARADOX.part19.rar
Right-click on Part 01 (not part 19) and select "Extract Here" using a program like 7-Zip or WinRAR . To get the game files out, you cannot
This is part 19 of a split RAR archive. Large games are often split into smaller "chunks" (like .part01.rar , .part02.rar , etc.) to make downloading easier and to prevent a single error from ruining the entire download. 2. How to extract it To get the game files out