automatically
adverb
uk/ˌɔːtəˈmætɪkli/ us/ˌɑːṱəˈmæţ-/done by a machine, system, or process that is designed to complete a task without a person having to control it:
Paychecks are automatically deposited into your account on the 26th of each month.
The program automatically downloads and installs new updates.
happening or reacting without the need to consider or do anything extra:
Any employee who is found guilty of sexual harassment will be automatically discharged.
Once you have used the system for a while you will find you save your work automatically, without thinking about it.