for budget-conscious gamers or enthusiasts keeping older rigs alive. It proves that the AVX2 requirement was more of a "soft" optimization gate rather than a fundamental necessity for the game to function.
Recognizing the issue, developer released an official update on November 16, 2022. uncharted 4 avx2 fix
If the launcher fails to detect your CPU correctly, you can try launching the non-AVX executable directly from the game's installation folder: Legacy Support Performance uncharted 4 avx2 fix