Website default language is english

How to change the default language from english to arabic before user login?

i wrote the following but nothing change!
frappe.local.lang = “ar”

Set in System Settings

What do you mean by System settings?

From Desk:
Setup/System Settings/Language

Then reload ERPNext

Hi @mostafa,

Refer Link:-
https://frappe.github.io/erpnext/user/manual/en/setting-up/settings/system-settings.html