Pirated versions may disable certain language packs or display broken characters (e.g., garbled Arabic or Chinese text). The official activation unlocks complete Unicode support and region-specific invoice templates.

https://yourdomain.com/admin/modules/activate?module=invoice_manager&lang=multi&version=2119

or

/admin/settings?feature=multilingual&module=invoice_manager_2119
  • Change language flow: user requests "Send language activation link" — email shows new locale and same activation behavior, when clicked updates locale without re-verifying email if already verified.