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
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

Did you find a solution?