I feel like I'm speaking a foreign language to Humble's Support on the issue w/ Deadly Premonition DRM-FREE version.
They finally got back to me.
I told them the file size on Deadly Premonition for DRM-FREE is 700 MB or so; Steam-version's 6 GB or so.
I told them they need to re-upload the DRM-FREE version in full b/c it's missing 5GB or so worth of files.
Specifically, the UPDATA folder needs to be updated with all of the file's it's missing on DRM-FREE version!
Their response: the game doesn't work on Win 8 + 10; and to go check the system requirements.
Ummm - I'm on Win 7; and that really doesn't solve the game not booting b/c it's lacking 5GB worth of files it needs to run!!!