Press F10 and click Controls to view and change keyboard control settings. To change a keybinding, click in the chosen input box of the key next to the action you wish to assign the new keybinding. When prompted, press the key (or combination of keys) you wish to bind to the selected action.

Feel free to experiment and make changes to suit your playing style. Remember to click Apply after making any changes. Default keybinds can always be restored by clicking Default.