Uncharted 4 was built with the assumption that every modern PC would feature AVX2. If your CPU only supports standard AVX or older instruction sets, the game engine attempts to run code your hardware cannot understand, resulting in an immediate crash to desktop (CTD). Affected Processors
Since the game officially requires the AVX2 instruction set, it will usually crash at startup on older CPUs (like 1st-3rd gen Intel Core or older AMD chips). The community-standard solution is the AVX2-Legacy-CPU-Fix (Simple Open Direct Engine) wrapper. Essential Resources & Steps AVX2-Legacy-CPU-Fix (GitHub) : The most reliable, free source is the project by Igor-K-2015
is a set of instructions used by modern CPUs to handle complex calculations faster. Uncharted 4 relies heavily on these instructions for rendering the game’s detailed, high-fidelity graphics.
When UNCHARTED: Legacy of Thieves Collection first launched on PC, gamers with older processors (like Intel 3rd-gen or older AMD chips) were locked out. The game required , causing immediate crashes on startup for unsupported hardware. uncharted+4+avx2+fix+free
Q: What is the Uncharted 4 AVX2 fix? A: The Uncharted 4 AVX2 fix is a software patch that replaces the game's AVX2 instructions with a software-based implementation that can run on CPUs without AVX2 support.
If you still face issues after the update, consider these fixes found on PCGamingWiki :
Today, we are going to show you exactly how to bypass the AVX2 requirement for Uncharted 4 —legally, safely, and completely free. Uncharted 4 was built with the assumption that
If you are struggling to run the game, check if your system meets the minimum requirements, especially regarding RAM and GPU, as the AVX2 fix only resolves the CPU instruction issue.
The and integrated into the latest version of the game. Update via Steam or Epic to access the fallback executable and play without needing to upgrade your CPU.
Many of these free external download links are hotbeds for malware. When UNCHARTED: Legacy of Thieves Collection first launched
Follow these precise steps to implement the free fix safely:
It is important to manage expectations. While the patch allows the game to launch on older CPUs, your performance will likely suffer.
Go to your Uncharted 4 installation folder on Steam or the Epic Games Launcher.
Here are the steps to apply the fix:
Uncharted 4 AVX2 Fix Free: How to Run Legacy of Thieves Without AVX2 Support
