To create a new label, click the "New label" button.
In the opened window, enter the desired information. "Label name" - The name of the label. "Label color" - The color of the label. "Pin label when sidebar is closed" - Display the label when the sidebar is collapsed.
After entering the information, click the blue "Save" button. Once you have finished making changes to your labels, click "Save" again in the top-right corner of the page.