The ViaCAD 2D/3D software by Encore Electronics is a powerful and robust CAD design tool available for both Windows and Apple Mac OS X 10.8 Mountain Lion operating systems. It comes in DVD format and includes English language support. With a minimum RAM requirement of 256 MB and 8 GB of hard drive space, this software is designed for creating detailed and accurate 2D and 3D designs. It is ideal for professionals and enthusiasts looking for a comprehensive CAD solution.