Layers Palette

1. Rotate it by going to Image Rotation-->90 CW

2. two ways to show layers
1) shortcut = F7
2) Press the button 










3) Window --> Layers 

3. unlock the layer by double-click the background layer

4. Quick Selection Tool 

5. after done the selection 

6. 

7. different kinds of lock buttons 

lock to paint 

lock to move 

lock it 

link multiple layers 

8. duplicate layer 

9. it turns out like this 

Control + Shift + J