Tutorial how to use Nik Color Efek Pro - Darken Lighten
1. Open Photoshop Application
2. Select File - Open- select an image
3. Copy layer => Cmd + J (Mac OS), or Ctrl + J (Win OS) or Drag and drop Background to Create a New Layer
4. Select Filter - Nik Collection - Color Efex Pro 4

Google Collection FREE for DOWNLOAD here

Google Collection FREE for DOWNLOAD here
Photoshop Tutorials Video - How to use NIk Color Efex Pro - Darken Lighten