Follow these steps:
1. To create a new category of tasks, click the button on the toolbar, or select the Categories\New Category... menu item, alternatively use the Ctrl + G keyboard shortcut.
2. In the Create Category dialogue box that appears, enter the chosen category name and select a theme icon for using with this category.
3. Click OK.
4. To exit the dialogue, press Esc on the keyboard, or use the button in the category manager dialogue box.
button on the toolbar, or select the Categories\New Category... menu item, alternatively use the Ctrl + G keyboard shortcut.
button in the category manager dialogue box.