: If it's an ISO, right-click it and select "Mount" (on Windows 10/11) to treat it like a virtual disc. Install : Run the setup.exe inside.
When a large game like Just Cause 4 (which requires about of space, according to Steam ) is split into parts like .part01.rar , .part02.rar , and so on, they all function as a single unit.
If you are looking for a guide specifically because Part 06 is giving you an error, it's likely one of these three things: Just_Cause_4_Complete_Edition-Razor1911.part06.rar
: This is the most common issue with specific parts. If WinRAR says "Checksum error in part06," the download was likely interrupted. You will need to delete that specific file and redownload it.
: Even though you have a .part06.rar , you cannot "open" or "extract" it individually. You must have all parts (usually numbered 01 through 60 or more) in the same folder. : If it's an ISO, right-click it and
: Right-click part01.rar and extract it. This will result in an .iso file or a folder containing a Setup.exe .
: If the extraction stops and asks for "part06," make sure the file is named exactly like the others (e.g., Just_Cause_4_Complete_Edition-Razor1911.part06.rar ) and sits in the same directory as Part 05 and Part 07. If you are looking for a guide specifically
For the smoothest experience and to avoid the headaches of broken archive parts, you can often find the game on sale through official retailers like the Epic Games Store or Steam.