Vulkan Runtime Libraries 1.0.39.1 (Simple ⚡)

You likely did not download it directly. Instead, it was with one of the following:

Unlike older standards, Vulkan is built to spread work across all available CPU cores simultaneously. Vulkan Runtime Libraries 1.0.39.1

For game and graphics developers, the question is different. If you are maintaining a game or engine that specifically targets Vulkan 1.0 features and you need to test on the oldest possible runtime, keeping version 1.0.39.1 in a virtual machine or test environment is valid. You likely did not download it directly

Many modern games will fail to launch or crash without these libraries. Visual Errors: If you are maintaining a game or engine

Yes. Is it a virus? No (though you should verify the file location). Can I uninstall it? You shouldn't; it is required for modern PC gaming and graphics performance.

Vulkan Runtime Libraries 1.0.39.1 is a specific version of the Vulkan graphics API components, typically installed automatically on Windows systems alongside graphics card drivers from manufacturers like NVIDIA or AMD. Microsoft Learn