PTC Creo is a CAD software suite used for 3D modeling, design, simulation, and analysis. It allows users to create, modify, and analyze designs for a variety of industries, including manufacturing, engineering, and architecture. PTC Creo offers a range of tools for creating complex designs, including the ability to work with surfaces and parametric modeling features. It also includes simulation and analysis capabilities for testing design performance and functionality. PTC Creo is regularly updated with new features and improvements to ensure a high level of accuracy and efficiency in design work.