Image 1 of 7 Image 2 of 7 Image 3 of 7 Image 4 of 7 Image 5 of 7 Image 6 of 7 Image 7 of 7 Mellow Preset Bundle (Lightroom PC) $8.00 Warm tones with faded shadows; add Mellow to any photo for a dreamy feel.Check below to see how to install presets. Add To Cart Added! Warm tones with faded shadows; add Mellow to any photo for a dreamy feel.Check below to see how to install presets. How to Install Presets Lightroom PC1. Open Lightroom2. Go to the Develop Tab3. On the right hand side in the Preset Window, click the + 4. Click Import Preset5. Select your Preset