If it is sitting in your downloads folder, delete it permanently using Shift + Delete .
Many Mac users attempting to run the game via CrossOver or Whisky (translation layers) encounter an error: "This game requires a CPU that supports F16C commands" .
If you are running later versions of the game, consider these settings for the best experience: Horizon Forbidden West update 1.0.37 - 1.5.80.exe
If you are looking for the "detailed report" on what changed between the early versions (1.0.37) and the major 1.5.80 update, here are the key technical improvements:
In modern PC gaming architecture, files titled like Horizon Forbidden West update 1.0.37 - 1.5.80.exe are almost universally malicious. Risk Factor How Official Updates Work How Fake .exe Installers Operate Delta patching inside Steam/Epic clients. Executable wrapper (.exe) downloaded from a browser. File Safety Cryptographically signed by the developer/publisher. Unsigned binaries that frequently bundle Trojan horses. System Integrity Rewrites inside the isolated game directory. Requests administrative privileges to access root folders. Game Saves Seamlessly transitions save states upward. Often corrupts local Documents/Guerrilla Games saves. Horizon Forbidden West PC - Patch 1.5 VS 1.4 - FSR 3.1 If it is sitting in your downloads folder,
The headline feature of update 1.5.80 is the addition of . This cutting-edge upscaling technology is a game-changer for players with a wide range of graphics cards. FSR 3.1 doesn't just upscale the image; it can generate entirely new frames, dramatically boosting frame rates and creating a much smoother, more responsive experience. This feature brings high-performance gameplay to more PC configurations than ever before.
Beyond stability, many updates focused on combat and systems balance. Horizon’s combat is a carefully tuned interplay of ranged weaponry, stealth, melee, traps, and machine-targeting tools. Balancing patches in this range commonly adjusted weapon damage, enemy resistances, AI behavior, and resource drop rates to ensure that no single tactic trivialized encounters and that progression felt rewarding rather than grindy. Developers also refine machine AI to behave more believably—more intelligent pack tactics, better use of the environment, or corrected animations—so that fights remain engaging across multiple difficulty levels. Risk Factor How Official Updates Work How Fake
Following the major 1.3.55.0 patch, this hotfix was released to quickly address a crash in the "Burning Shores" DLC. It also made the Intel XeSS Native AA option available for a wider range of GPUs, including AMD Radeon and older NVIDIA GeForce cards.
The original used a linear allocator (fast, but prone to fragmentation). Version 1.5.80 implements a and a stack allocator for transient UI elements . Result: After 4 hours of play, RAM usage stabilizes at 10-12GB instead of climbing to 18GB.
Beyond the major graphical features, 1.5.80 is packed with quality-of-life improvements:
From eliminating shader stutter to boosting frame rates by over 40% in CPU-bound areas, this cumulative update redeems the launch version completely. Whether you’re a newcomer to the Forbidden West or a veteran returning for Burning Shores , applying this patch turns a good game into a great PC game.