To ensure your computer's safety and support the developers, it is recommended to download the game through official digital storefronts:

One Piece: Pirate Warriors 4 is an action-adventure game developed by Omega Force and published by Bandai Namco Entertainment. It is the fourth installment in the Pirate Warriors video game series, based on the One Piece franchise. Legitimate PC Requirements

Unofficial "highly compressed" files from third-party sites frequently contain malware, miners, or trojans bundled within the installer. Safe & Official Sources