1) Open World --- > Environment Settings ---- > Environment Editor and click on Advanced Sky, then click on “New” and save under a filename you remember, for example avatar 1
2) go to the Atmosphere Tab and change the settings as follow:
Blue Horizon: R: 0.12, G: 0.12, B: 0.16, I: 0.16
Haze Horizon: 0.09
Blue Density: R: 0.32, G: 0.59, B: 1.00, I: 1:00
Haze Density: 0.65
Density Multiplier: 0.18
Distance Multiplier: 2.0
Max Altitude: 188
3) go to the Lighting Tab and change the settings as follow:
Sun/Moon Color: R, G, B and I at 0.86
Sun/Moon Position: 0.000
Ambient: R:0.67, G:0.64, B:0.63, I:0.67
or R: 0.70, G: 0.67, B: 0.66, I: 0.70 (second setting is brighter)
East Angle: 0.16
Sun Glow: Focus: 0.10 Size 1.75
Scene Gamma: 1.08-1.15
Star Brightness: 0.00
4) go to the Clouds Tab and change the settings as follow:
Cloud Coverage: 0.13