Distributing version 0.10 for free is considered piracy. While the game had a free Tech Demo in its early years, that version is extremely limited compared to the full alpha.
While your search is for "free download 0.10," you are doing yourself a disservice if you stop there. BeamNG.drive in 2025 is an entirely different beast. For the price of a pizza, you get 10 years of updates. Beamng Drive 0.10 Free Download