Backup files and database first. Extract to C:/xampp/htdocs/rms_contact_qr/ (or production document root). Login using current SUPERADMIN once; open /admin/activate_production_login.php, type ACTIVATE PRODUCTION, log out, then login username admin with initial password provided in chat. Immediately change password via Tukar Kata Laluan. Delete admin/activate_production_login.php after success. Installer disabled. Ensure BASE_PATH is configured for production. Note: staff accounts remain active but quick-login removed.
