The machine is capable of full 3D but you need a software tool chain that supports it and a ball end mill. You need a CAD, CAM, and machine control package.
Here are some options:
CAD/CAM
Fusion 360
Aspire
CAD
Solid works
Autodesk Inventor
Pro-E
Onshape
Tinkercad
Freecad
CAM
Cut 3D
MeshCAM
MasterCAM
HSM Works
Del CAM
For machine control you can download universal gcode sender for free.