If you’ve tried to launch the on an older PC only to be met with an immediate crash or an "unsupported CPU" error, you've likely encountered the AVX2 requirement . While this instruction set was initially mandatory, preventing many legacy processors from running the game, there is now an official solution and several workarounds. What is the Uncharted 4 AVX2 Issue?
If you are playing an older version or need a manual bypass, several community-driven methods exist: uncharted 4 avx2 fix
Even with the AVX2 fix, ensure your hardware meets the other minimum requirements to avoid crashes: AVX2 fixed on old CPUs :: UNCHARTED - Steam Community If you’ve tried to launch the on an
Various forums like Reddit and Steam Community hosted custom .dll fixes or modified executables shortly after launch. Most of these are now obsolete thanks to the official update. Minimum System Requirements If you are playing an older version or
The Uncharted 4 AVX2 Fix: How to Run Legacy of Thieves on Older CPUs
When the game detects an older processor, it automatically switches to a fallback executable ( u4-l.exe for Uncharted 4 or tll-l.exe for The Lost Legacy ).
The most reliable "fix" is simply to update your game. On , developers Iron Galaxy and Naughty Dog released Version 1.3.20812 , which officially added support for non-AVX2 CPUs.