32bit and 64bit.

VisualCAM along with VisualCAD is MecSoft?s standalone CAD/CAM package that is considered the best valued CAD/CAM system on the market today. VisualCAD/CAM features MecSoft?s FREE and easy-to-use CAD program VisualCAD, which is the host platform for the VisualCAM and Visual3DPRINT plug-in products. VisualCAM is MecSoft?s flagship CAM product that addresses the CNC machining market needs with modules VisualMILL, VisualTURN, VisualNEST, and VisualART to address specific needs of various CNC manufacturing processes.

https://mecsoft.com/visualcadcam/