1. Run your Adobe Creative Cloud Desktop app.
2. You will find zip archive (Super Matte Collection For Lightroom.zip) in your local 'Downloads' folder on 'C' drive after receiving the add-on.
3. Unzip this archive to any folder.
4. Enter to folder ‘1 Presets' in my archive and copy all folders (or you can see the video tutorial https://goo.gl/3MG4Qq)
5. Open Lightroom.
6. Choose Edit=>Preferences in the top menu bar.
7. Select 'Presets' tab in the new window.
8. Click on the button labeled 'Show Lightroom Presets Folder'.
9. Open the ‘Lightroom' folder in the new window that appears.
10. Open the ‘Develop Presets' folder and paste all my folders which you copied earlier from the folder ‘1 Presets'.
11. Restart Lightroom.