Amnesia the Dark Descent game crash

[aetherred]

Got the game from steam,
I get through the intro, past the gamma settings, and after continuing the game crashes.
I get this small windows error box that says:

"Amnesia.exe has stopped working."

but windows doesn't tell me what's wrong.
I have gone through the Amnesia:TDD troubleshooting guide and graphics card trouble shooting guide.
I have:

Turned off Steam overlay
turned off background applications
Updated graphics card drivers
settings on their lowest possible setting

I heard that the Intel HD GPUs family isn't compatible with this game? I have an Nvidia GeForce GTX860M dedicated graphics card and an Intel HD4600 gpu, in the settings launcher it says that my video device is the Intel HD4600 gpu, can I switch it to the GeForce GTX860M some how?

My Specifications:
Intel i5 processor
Nvidia GTX860M graphics card
12 GB RAM
Intel HD4600 gpu

any help with what could be wrong or potential fixes would be greatly appreciated