The Settings Menu

Settings → Show/Hide Status Bar

Show or hide the Status Bar. The Status Bar shows additional information for selected items and instant calculations of the selected cells.

Settings → Show/Hide Tab Bar

Show or hide the Tab Bar. All Sheets of the current Document can be accessed through the Tab Bar.

Settings → Show/Hide Formula Bar

Show or hide the Formula Bar. The Formula Bar can be used to edit the content of the selected cell.

Settings → Toolbars

Show or hide the toolbars: File, Edit, Navigation, Format and Color/Border.

Settings → Configure Shortcuts...

Configure the keyboard shortcuts used by KSpread. See the section on configuring shortcuts for more details.

Settings → Configure Toolbars...

Configure the toolbars. The section on configuring toolbars has more information.

Settings → Configure KSpread...

General KSpread configuration. See the section on KSpread configuration for more details.