Once extraction is finished, you will likely see a file named codex-call.of.duty.wwii.shadow.war.iso . Right-click the ISO and select Mount . Older Windows: Use a tool like PowerISO or Daemon Tools. Run the Installer Open the newly mounted virtual drive and run setup.exe . Choose your installation directory.

If you didn't check the box in the installer, go to the mounted ISO drive. Open the folder labeled . Copy all files inside that folder.

If the extraction stops at 90%, you are likely missing the final volume.

Ensure you have downloaded every volume of the set (e.g., part01.rar to partXX.rar ). Place all of them into a on your hard drive. Extract the Files Right-click on part01.rar only. Select "Extract Here" (using WinRAR or 7-Zip ).

Security software often flags files in the "CODEX" folder as "HackTool" or "Trojan." You may need to whitelist your installation folder to prevent the game from failing to launch.

If WinRAR says part10.rar is corrupt, you must re-download that specific part.