How to change your system language?

Click on your account name in the up left corner to open the drop down menu, click on settings, look for the "language & Region" option, once open, click on "system language" and choose one ;)

How to change your time zone?

Click on your account name in the up left corner to open the drop down menu, click on settings, look for the "language & Region" option, once open, click on "Time zone" and choose one ;)

How to change your default currency symbol?

Click on your account name in the up left corner to open the drop down menu then click on settings and look for the "language & Region" option, once open, click on "Default currency symbol" and write one of your choice ;)