While you cannot download a free, legal version of the original ArtCAM Pro anymore, is your best bet for a modern equivalent. If you're a hobbyist just starting out, download the Carveco Maker free trial to see if the workflow suits your creative needs.
If you are looking for a strictly $0 option, FreeCAD is an open-source parametric 3D modeler. artcam pro free download software updated
ArtCAM was originally developed by Delcam and later acquired by in 2014. In 2018, Autodesk officially discontinued the ArtCAM product line. This is why you won’t find a "Buy Now" button on the official Autodesk website anymore. Can You Get ArtCAM Pro for Free? While you cannot download a free, legal version