Its intuitive tool for blending and editing scanned materials, including those from its own Megascans online library
WIN Instruction:
Copy/past Assembly-CSharp.dll into “C:\Program Files\Quixel\Quixel Mixer\Quixel Mixer_Data\Managed”
MAC Instruction:
Copy/past Assembly-CSharp.dll into Quixel Mixer Right Click => Package content =>
Contents => Resources => Data => Managed