Upon release, Horizon Forbidden West version was the “day-one” build for PC. It was far from broken—unlike some high-profile releases that year—but it had growing pains.
This was the largest sector of updates. The devs at Nixxes Software (responsible for the port) targeted CPU bottlenecks.
These early builds tackled immediate crashes, controller input disconnects, and initial registry and key-binding remapping constraints. Mid-Lifecycle Optimization (The 1.1.x to 1.4.x Patches) Horizon Forbidden West update 1.0.37 - 1.5.80.exe
If you compare the original 1.0.37.exe with the 1.5.80.exe using a binary analysis tool, here’s what engineers would find:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Nixxes Software (@NixxesSoftware) on X Upon release, Horizon Forbidden West version was the
[Official Launcher] ──> [Automatic Integrity Check] ──> [Delta Patching] ──> [Safe Gameplay]
Just over a week later, version 1.4.59.0 arrived to tackle lingering gameplay issues and further refine the visuals. Notable changes included: The devs at Nixxes Software (responsible for the
The phrase refers to an unofficial, third-party executable file floating around online forums, rather than an official patch file distributed by Guerrilla Games or Nixxes Software. In official ecosystems like Steam or the Epic Games Store, updates for Horizon Forbidden West Complete Edition are applied automatically in the background using differential downloading, never requiring a standalone .exe installer.
Horizon Forbidden West update 1.0.37 - 1.5.80.exe, PC patch notes, Guerilla Games, Nixxes Software, performance fix, installation guide.
on PC are distributed exclusively through authorized digital storefronts like Epic Games Store Critical Safety Warnings Do Not Execute
Horizon Forbidden West Complete Edition 1.5.80.0 Patch Notes