1) After waking up the watch, swipe left to any widget, long press the widget to enter the editing state, swipe right to the last page of "Add", tap the plus sign to add a new widget. To delete a widget, swipe up on it and tap the bin button.
2) When in the edit mode, press and hold any widget to drag and drop it to a different position to rearrange the order of the widgets.
3) You cannot add more widgets if you have reached the maximum number. If you want to use additional widgets, please remove the widgets to be replaced from the current list before adding new ones.