Repacks use compression algorithms that heuristic antivirus (especially Windows Defender) flag as false positives. Add your download folder to exclusions before extracting.
When you finally boot up the repack and hear the somber "The Vengeful Spartan" soundtrack as Kratos climbs out of the Aegean Sea, you will realize the extra effort—or lack thereof, thanks to the repack—was worth it. Just remember to save often. The Cliffs of Madness in God of War I still has a notorious save bug.
Since this is a console port, the controls are tight and reaction-based.