: In the world of game repacks, this file is often included to ensure the upscaling feature is functional or to provide an "unlocked" version that allows FSR 2 to be used on older hardware that might not officially support it. Key Technical Attributes Introduction to the AMD FSR™ API | GPUOpen Manuals

Find the folder containing the .exe file of your game.

Here is a comprehensive breakdown of what this file does, why it appears in game repacks, and how to handle it safely. Technical Breakdown: What is ffx_fsr2_api_vk_x64.dll?

This looks like a modded or repackaged version of FidelityFX Super Resolution 2 (FSR2) implemented via the Vulkan API, packed as a 64-bit DLL for games. Below is a plausible complete description / readme text for such a release.