Download character and animations (without skin, 60fps) in Mixamo
Import in UE, move thirdperson BP and thirdpersongame mode, create animation folder
R click , animation, blend space 1D, animation blueprint
Set 1d Blend space keyframe of idle and run
Set ABP as follow
Add IsinAir variable in IdelRun State
Set the event graph of the ABP as follow: