Users downloading the patch via Steam or Epic may notice the file name horizon forbidden west update 1037 1580exe (or similar variations) in their download logs.
The rewrite fundamentally altered how the engine compiles PlayStation 5-specific geometry commands into DirectX 12 Ultimate. Specifically, it introduced asynchronous compute queues for AMD and Intel Arc GPUs, reducing render latency by nearly 30% in settlements like Fleet’s End.
A wind carried the metallic scent of machine-oil and ozone. Aloy toggled the last permission and watched simulated probes sprint along the route. The screen flared: HOSTILE PROTOCOLS — AUTH LEVEL: 1580. The number matched the file name. horizon forbidden west update 1037 1580exe
The primary focus of the .1580 build appears to be backend stability. Early PC adopters reported occasional crashes when traversing dense foliage in the Daunt or during heavy combat sequences involving large machines (like the Slitherfang). This update addresses memory allocation issues that previously caused the game to terminate unexpectedly.
A new graphics menu option allows users to prioritize character model detail during cutscenes. Users downloading the patch via Steam or Epic
Many RTX 3080/4090 users reported crashes despite having 12GB+ of VRAM. Update 1037 adjusts the memory allocation logic. The 1580exe now correctly distinguishes between Shared GPU memory (system RAM) and Dedicated VRAM . Previously, the game would refuse to allocate textures even when free RAM was available. This patch solves the infamous Error 0x887A0005 (DXGI_ERROR_DEVICE_REMOVED) .
: Added HUD Widescreen Scale options to the settings menu for better ultra-wide monitor support. Horizon Wiki Gameplay & Controller Fixes Input Reliability : Fixed a bug where A wind carried the metallic scent of machine-oil and ozone
A corrupted local download cache can force Steam to pull broken file segments during the patch process. Click in the top-left corner of the client. Go to Settings > Downloads .
| Feature | Official Version (Steam, Epic) | Unofficial/Cracked Version | | :--- | :--- | :--- | | | HorizonForbiddenWest.exe | 1580exe (or similar unusual name) | | Updates | Automatic, seamless, and guaranteed to work | Manual, risky, can corrupt your game | | Stability | Continuously improved by the developer | Often unstable, especially after updates | | Support | Full customer support and community forums | No support from official sources | | Ethical & Security | Supports the developers; safe to download | Does not support developers; potential malware risk |
Optimized resource allocation reducing texture degradation over extended play Key Enhancements in the 1.5.80.0 Executable ( 1580exe )