Installed Vulkan SDK and built QT6.4.2 for windows with the following script:
set PATH=C:\WINDOWS\system32;C:\WINDOWS
"C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Auxiliary\Build\vcvarsall.bat" amd64
set MY_DRIVE=D:
%MY_DRIVE%
mkdir \dev\build\qt
cd \dev\build\qt
set "CMAKE_ROOT=%MY_DRIVE%\dev\tools\cmake-3.24.2-windows-x86_64\bin"
set "NINJA_ROOT=%MY_DRIVE%\dev\tools\ninja-win"
set "PERL_ROOT=%MY_DRIVE%\dev\tools\Strawberry\perl\bin"
set "PYTHON_ROOT=%MY_DRIVE%\dev\tools\Python35"
set VULKAN_SDK=%MY_DRIVE%/dev/tools/VulkanSDK/1.3.239.0