Look for a folder named inside the mounted ISO/folder. Copy all contents from the CODEX folder.
: A free digital guide is available from Graffiti Games or can be viewed on Steam Community. Blue.Fire-CODEX.rar
: If you are running the game on Windows 7, you may need to copy xinput1_3.dll and rename it to xinput1_4.dll in the game's Binaries\Win64\ folder, as noted on PCGamingWiki . Look for a folder named inside the mounted ISO/folder
: Use a tool like WinRAR or 7-Zip to extract the .rar file. This usually results in an .iso file or a folder containing the setup files. Blue.Fire-CODEX.rar