ref – https://www.natterandramble.co.uk/future-simple-tense-form-uses-timeline/
Use the simple future for actions that have not happened yet but will later. To form the simple future, just place the modal verb will before the root form of the main verb. (Note that if the action will happen in the near future, you can use the present continuous instead.)
She will be president one day.
I will not go to the wedding without a date!