# The User Interface [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) ## Categories - [Toolbars and Menus](Help%20System/GSTARCAD/2026/User%20Guide/The%20User%20Interface/Toolbars%20and%20Menus/(Toolbars%20and%20Menus).md) - [The Command Window](Help%20System/GSTARCAD/2026/User%20Guide/The%20User%20Interface/The%20Command%20Window/(The%20Command%20Window).md) - [Design Center](Help%20System/GSTARCAD/2026/User%20Guide/The%20User%20Interface/Design%20Center/(Design%20Center).md) - [Customize the Drawing Environment](Help%20System/GSTARCAD/2026/User%20Guide/The%20User%20Interface/Customize%20the%20Drawing%20Environment/(Customize%20the%20Drawing%20Environment).md) - [Tool Palettes](Help%20System/GSTARCAD/2026/User%20Guide/The%20User%20Interface/Tool%20Palettes/(Tool%20Palettes).md) [Original category](https://www.gstarcad.net/help/GstarCAD_2026_en-US/menu/GUG_USERUI.html)