I understand that you've solved your problem with a refund, but I'd just like to mention that IntelHD Graphics Cards are mostly unsupported by Amnesia. The fact that you have interchangeable graphics with an AMD driver will more or less guarantee the game runs via the IntelHD due to policies between the two cards.
If you wish to try again in future, please attempt the
Have Disk Method
I'll lock the thread for now, since the issue is "solved", but feel free to PM me if you have further problems or wish to reopen this thread.