This video contains a KLM 777-200LR together with Real Environment X 4: Texture Direct. My impression of REX4 is a 9.5/10. The textures look very good and the clouds look amazing. I can recommend this product for every Flight Simulator enthusiast!
Add-ons used: PMDG 777-200LR/F Real Environment Xtreme 4: Texture Direct ORBX FTX Global Ground Services X FsRecorder