Step is a graphics file, generally is a CAD/CAM product part diagram, you can use the Pre software import open.
Pro/engineer operating software is the United States parameter technology company (PTC) 's cad/cam/cae integrated three-dimensional software. Pro/engineer software, known for its parameterization, is the earliest application of parametric technology, and occupies an important position in the current three-dimensional modeling software field. As a new standard in the field of mechanical Cad/cae/cam in the world today, Pro/engineer is recognized and promoted by the industry, and is one of the mainstream Cad/cam/cae software, especially in the field of domestic product design.
Pro/engineer and Wildfire are the name of the software used by PTC officials, but in the name used by Chinese users, there are many sayings, such as ProE, pro/e, rags, wildfire and so on, which refer to Pro/engineer software, proe2001, proe2.0, proe3.0, proe4.0, proe5.0, creo1.0creo2.0, etc. all refer to the version of the software.