Here is the brutal truth about : The original, widely pirated, and most beloved version (Knoll Light Factory 3.0) is 32-bit .

You have spent four hours trying to make Knoll Light Factory for Photoshop CC 2015 Mac work. The flares are beautiful, but the crashes are frequent. Here are the 2025 alternatives:

Uses a grayscale mask to simulate light being partially blocked by objects or people in the frame, creating a realistic sense of depth.

To use Knoll Light Factory with Photoshop CC 2015 on a Mac, you typically need Knoll Light Factory 3.2.x