CorePack repacks use an injector for the crack (Steam emulator). Windows Defender, Norton, or Avast will quarantine steam_api.dll or ali213.dll immediately. Add your download folder to the exclusions list or disable real-time protection during installation.
Once done, navigate to the install folder. You will see files like CorePack .bat or Readme . Run the game via s1_sp64_ship.exe (Single player) or s1_mp64_ship.exe (Multiplayer). Call of Duty Advanced Warfare Complete - CorePack
Acquire the CorePack release from a trusted torrent source. Look for the hash match or comments verifying it is the genuine CorePack release, not a fake. The archive will typically be a .rar or .7z file split into 2GB parts. CorePack repacks use an injector for the crack