# Change Existing Objects [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md) → [Create and Modify Objects](Help%20System/GSTARCAD/2022/User%20Guide/Create%20and%20Modify%20Objects/(Create%20and%20Modify%20Objects).md) You can select objects, edit their properties, modify their shape, and perform general and specific editing operations. [Select Objects](Help%20System/GSTARCAD/2022/User%20Guide/Create%20and%20Modify%20Objects/Change%20Existing%20Objects/Select%20Objects.md) If you want to view the properties of objects or modify objects, you neet to select objects first.You have various options to select objects. [Hide and Isolate Objects](Help%20System/GSTARCAD/2022/User%20Guide/Create%20and%20Modify%20Objects/Change%20Existing%20Objects/Hide%20and%20Isolate%20Objects.md) Objects can be hidden or isolated to simplify the drawing for editing. [Modify Objects](Help%20System/GSTARCAD/2022/User%20Guide/Create%20and%20Modify%20Objects/Change%20Existing%20Objects/Modify%20Objects.md) The size, shape and location of objects can be easily modified.