If you ran the vulkanrt111080installer and it errored out, here is the step-by-step fix.

The legitimate vulkanrt111080installer is safe and necessary for gaming.

If you are troubleshooting a "Vulkan-1.dll missing" error, you can run the installer. Follow the on-screen prompts to "Agree" and "Install." No reboot is typically required, but it is recommended for the changes to take effect in your games. Should You Uninstall It?

I’ll give you the exact fix.