Open Photoshop and open an image
Figure: Open an image
Figure: Layers Tab
Figure: Make duplicate layer
Figure: Making layer duplicate
Figure: Duplicate Layers
Figure: Edit Layer 2 - Curves
Figure: Changing curve value
Figure: Edit Layer 1
Figure: Change Saturation
Figure: After changing saturation
Figure: Work on different layers to make changes
Example 2:
Figure: Adding one image is layer 1
Figure: Making layer 2
Figure: Making layer 3
Figure: Combination of three layers