Index: sources/storage/Settings.h
===================================================================
diff -u -ra75bc5b80ad4ebde50f028b550cd534e589bd059 -ra522e6aa7a36ac696a9a956200e89d838f319e25
--- sources/storage/Settings.h	(.../Settings.h)	(revision a75bc5b80ad4ebde50f028b550cd534e589bd059)
+++ sources/storage/Settings.h	(.../Settings.h)	(revision a522e6aa7a36ac696a9a956200e89d838f319e25)
@@ -18,6 +18,7 @@
 #include <QObject>
 #include <QFutureWatcher>
 #include <QString>
+#include <QTranslator>
 
 // Project
 #include "main.h" // Doxygen : do not remove
@@ -39,6 +40,7 @@
 
 class Settings
 {
+private:
     // Settings
     const char *_config_attribute_tag   = "#--";
     const char *_duplicate_key_on       = "duplicate_key_on";
@@ -47,6 +49,8 @@
     const char *_settingsFormat         = "%1/%2.%3";
     const char *_settingsLocalSeparator = "_";
 
+    QTranslator _translator;
+
     struct Detail {
         QString category;
         QString location;
@@ -69,6 +73,7 @@
         eError_No_SettingsFolder        ,
         eError_No_SettingsFile          ,
         eError_SettingNotExists         ,
+        eError_No_SettingsLocale        ,
     };
 private:
     const QHash<int, QString> settingsError_Message {        // no translation for the error. My experience shows the error messages if translated is not useful for serviceability and debugging.
@@ -84,6 +89,7 @@
         { eError_No_SettingsFolder        , "No settings folder in the %1 path found."                      },
         { eError_No_SettingsFile          , "No settings file in the %1 folder found."                      },
         { eError_SettingNotExists         , "The setting file %1 doesn't exists."                           },
+        { eError_No_SettingsLocale        , "The system locale no defined."                                 },
     };
 public:
     const QString errorMessage(int vErr, QString vArg1 = "", QString vArg2 = "") {
@@ -108,6 +114,7 @@
 
     bool parse(const Detail &vDetail);
 
+
 public:
     Settings() {}
 
@@ -139,6 +146,7 @@
     int saveSystem          (const QString &vGroup, const QString &vKey, const QString &vValue);
     int configurationsMove  (QString *vMessage = nullptr, bool vIsUpdate = false);
     int configurationsPOST  (Location_Enum vLoc = Location_Enum::eSecured) { Q_UNUSED(vLoc); return true; }
+    int loadTranslation     ();
 
     static QString category(Category_Enum vCategory) {
         switch (vCategory) { // NOTE: don't use default case