Editing - Levels

 Before and After the levels were changed on this picture.

The photo on the right is darker because i have changed the levels in the photo to make the whole picture darker.












Step 1 - Go to Layers, then to New Adjustment Layer and then Layers

Step 2 - This box will appear then click use previous layer. 

Step 3 - This screen will appear move all 3 of the arrows to get the desired effect on the photograph 

Step 4 - Once the desired effect has been achieved press the double arrows on the small levels screen to close the screen