oh and by the way there is a way to lower the graphics further. I added it to test out the games "set and save settings mode" so if you need it here is how you do it.
In the main menu on the woman's eye there is an invisible button. Click it and you will here a growl and then you know the very low settings are activated. If you use this setting it really increases the brightness and may be less spooky because you can see everything. But yeah try that if your rig is struggling