You can choose between the Xbox App or Steam, but they use different file structures. Halo Infinite on Steam

The campaign download is approximately 32 GB on PC.

While you might be looking for a torrent file, it’s worth noting that through official, safe channels like Steam or the Microsoft Store . Using official launchers ensures you get the latest updates, security, and access to active servers without the risks often associated with third-party torrent sites. The Campaign (The "Solid Story")

If you are primarily interested in the "solid story," you'll need the , which is a separate paid experience from the free multiplayer.

Set on the mysterious Zeta Halo, you step back into the boots of the Master Chief. After a devastating defeat by a mercenary group called the Banished , the Chief must rally scattered UNSC forces and uncover the secrets of the ringworld to stop the Banished from unleashing a new threat.