STEP 4
Now we are going to add noise. Create a new layer at the top of the layer panel by pressing Ctrl+Shift+N/Cmd+Shift+N. Rename the layer to “Noise”. Make Black as your foreground color by pressing D. Fill the “Noise” layer with the foreground color i.e. Black color by pressing Alt+Backspace/Opt+Delete. Change the Blending Mode of “Noise” layer to Screen.
