Files from third-party "repack" sites often trigger "False Positives" in Windows Defender or Antivirus software because of the tools used to bypass DRM.

If you get a "Checksum Error" during extraction, Part 2 might be corrupted. You would need to redownload that specific part.

Ensure you have the complete set from the source. If the game is 6GB and parts are 2GB each, you need all three parts.

The extraction software (like WinRAR or 7-Zip) uses Part 1 as the entry point and automatically pulls data from the subsequent parts to rebuild the full game installer. How to Install