3D: Creo software is the best choice for product design. Creo software is an upgraded version of the original Proe software, which specializes in product modeling design and is relatively easy to get started. If you do mold design, use UG software. UG is specialized in mold design, with too many functions, so it is difficult to start. If you are doing mechanical design, use Solidworks, similar to office software, easy to get started; If you are designing automobiles and aviation, Catia is recommended. Catia is a special software for automobiles, which is generally difficult to start.

2D: You can use AutoCAD, which is the necessary software for product design, interior design and architectural design. Besides, you can also use Zhongwang CAD and CAXA, but compared with these, AutoCAD is the most widely used and popular one.