Vulkan help

hello i am new to the emulator and it runs good with the game i have kingdom hearts 2 remix but for some reason I cant get it to run with vulkan i get the option to choose vulcan  but it just goes back to opengl when i open the game i have tried many thing from what ive read on other threads for example updating drivers downloading vulkan i also did the regedit creating a new dword but nothing seems to work wust wondering if anyone could get any help sorry im not that good at this sort of things also thanks in advance also I have tried goin  into nvidia control panel to try and make geforce the primary but failed


specs Intel® Core™ i7-6700K CPU @ 4.00GHz | 8 Threads | 31.94 GiB RAM | AVX+ | TSX 32 GB ram

Geforce gtx 960

If you're using per game configuration then you need to set Vulkan on the per game configuration and not in the global one