NVIDIA has released a new Vulkan 457.44 beta driver for Windows with Vulkan ray tracing support.

Vulkan Beta Driver Downloads

Windows driver version 457.44 and Linux driver version 455.46.02 contain newly released Vulkan features and bug fixes for Vulkan developers.

Windows 457.44

• Download for Windows 10 (64-bit)
• Download for Windows 7 (64-bit)

New:

• The official release of  Khronos Vulkan Ray Tracing!