was once the gold standard for complex image masking, specifically designed to handle the "impossible" selections that standard tools struggled with—like fine hair, smoke, liquid, and transparent glass.
Path Example (Windows): C:\Program Files\Adobe\Adobe Photoshop [Version]\Plug-ins Restart Photoshop. was once the gold standard for complex image
Navigate to the Filter menu. You should see "Corel" or "KnockOut" listed there. KnockOut 2 update adds Photoshop 7 support, more - Macworld was once the gold standard for complex image
Perfectly captures the transparency of glass or liquid. was once the gold standard for complex image
Run the setup file. When asked for a destination, point it to your Photoshop Plug-ins folder.