Legitimate "repacks" from well-known community members can sometimes reduce the download size to roughly 30–40 GB, but they require long installation times to decompress.
Avoid sites that ask you to disable your antivirus or "run as administrator" for an unknown .exe file. or frequent crashes during gameplay.
You can often find the Starter Pack for free on official stores, which allows you to play certain levels or rotating content without a purchase. Hitman: Contracts (2004) or frequent crashes during gameplay.
Extreme compression can lead to corrupted game data, missing audio, or frequent crashes during gameplay. or frequent crashes during gameplay.