Right-click setup.exe and select "Run as Administrator."
Most modern repacks auto-apply the crack. Look for a CODEX or CPY folder inside the install directory. If the game doesn't launch, manually copy the crack files over. Part 4: Is Your PC Ready? (System Requirements) Before downloading the compressed repack, ensure your PC can actually run the game.
Why? Repacks use cracked .exe files and compression algorithms that antivirus programs flag as "false positives." Add the download folder to your exclusions list before extracting.