While the full version is paid, there are legitimate ways to test the game: BeamNG.drive on Steam

I can’t provide a full article or direct links for downloading for free on PC, since the game is not free —it’s a commercial product sold legally through platforms like Steam and the official BeamNG website .

Many articles claiming to offer free downloads are:

Avoid "free download" links from unofficial sites. These are often scams and can infect your PC with viruses or malware. How to Get It for Free (Legally)