PTC Creo Parametric is a computer-aided design (CAD) software used for creating 3D models of products and prototypes. It enables designers and engineers to create, simulate, and analyze designs in a virtual environment. The software includes a wide range of tools and features for parametric modeling, assembly modeling, and drafting, making it a powerful tool for product development and manufacturing. PTC Creo Parametric is commonly used in industries such as automotive, aerospace, and industrial equipment.