How to change default font style

is there a way to change the default font style that is used throughout the whole system?
I wanted to change the arabic font style because the default font that is given for arabic is hard to understand.
Thanks in advance

Is it this
https://docs.xfce.org/xfce/xfce4-settings/appearance
What you’re looking for?

yes and no. this is only for english language font. i was looking for a manual way to change other(Arabic) language fonts style. because the default one is hard to read