(available on Steam and the official BeamNG website). There is no legitimate “free download” of version 0.4.06. Any website offering a cracked, pirated, or “free” copy is almost certainly unsafe.
A common reason people search for "BeamNG 0406 download free" is the belief that older versions run better on low-end hardware (e.g., integrated graphics or dual-core CPUs). beamng 0406 download free
Look for a dropdown menu containing older versions or legacy builds like "0.4.0.6-dx9". A Warning About "Free Download" Sites (available on Steam and the official BeamNG website)