https://wccftech.com/the-witcher-3-new-4k-texture-pack-overhauls-white-orchard/

A new The Witcher 3 4K texture pack has been released online, introducing overhauled high-quality textures in the game's very first area.

The Witcher 3 Texture Overhaul - White Orchard pack introduces 4K terrain and landscape textures that have been made from scratch with tech like baked ambient occlusion and normalized colorization. Needless to say, these textures look incredible.