Animator run 2 animations at once

Questions & Answers
1

Hello!
I need to run 2 animations at once in my Unity3d game.
I’m using Animator Component.
I want to run animation of walking,and animation of smiling at once.(Character must walk and smile at the same time).
I know how to use 1 animation at once,but I don’t know how to run 2 animations at once.

2

You have to use layers: Unity - Manual: Animation Layers