diff --git a/Excel/prod/Ratio_prod.xlsm b/Excel/prod/Ratio_prod.xlsm
index f48ce5c..65a6497 100644
Binary files a/Excel/prod/Ratio_prod.xlsm and b/Excel/prod/Ratio_prod.xlsm differ
diff --git a/Excel/prod/VERSION.txt b/Excel/prod/VERSION.txt
new file mode 100644
index 0000000..94d7d57
--- /dev/null
+++ b/Excel/prod/VERSION.txt
@@ -0,0 +1 @@
+1.7.6 
diff --git a/Fichiers_Install_Clients/Ratio_prod.xlsm b/Fichiers_Install_Clients/Ratio_prod.xlsm
index f48ce5c..65a6497 100644
Binary files a/Fichiers_Install_Clients/Ratio_prod.xlsm and b/Fichiers_Install_Clients/Ratio_prod.xlsm differ
diff --git a/Scripts/PROD b/Scripts/PROD
deleted file mode 100644
index 41b3362..0000000
--- a/Scripts/PROD
+++ /dev/null
@@ -1 +0,0 @@
- === [2/3] Copie DEV - 
diff --git a/Scripts/maj_prod_ratio.bat b/Scripts/maj_prod_ratio.bat
index 92f4d32..5d537fa 100644
--- a/Scripts/maj_prod_ratio.bat
+++ b/Scripts/maj_prod_ratio.bat
@@ -1,74 +1,124 @@
 @echo off
-setlocal EnableExtensions EnableDelayedExpansion
+setlocal EnableExtensions DisableDelayedExpansion
 
-REM === PARAMÈTRES A ADAPTER UNE FOIS =========================================
+REM === PARAMETRES =============================================================
 set "ROOT=C:\Users\miche\PycharmProjects\Ratio_Inventaires"
 set "DEV_XLSM=%ROOT%\Excel\dev\Ratio_dev.xlsm"
-
 set "PROD_DIR=%ROOT%\Excel\prod"
 set "PROD_XLSM=%PROD_DIR%\Ratio_prod.xlsm"
+set "INSTALL_CLIENT=%ROOT%\Fichiers_Install_Clients"
+set "VERSION_TXT=%ROOT%\Excel\dev\VERSION.txt"
+set "SHEET_NAME=Tableau de bord"
+set "CELL_ADDR=P1"
+set "SETCELL_VBS=C:\Users\miche\PycharmProjects\Ratio_Inventaires\Scripts\set_cell_silent.vbs"
 
-REM Dossier prêt à livrer au client
-set "INSTALL_CLIENT=%USERPROFILE%\Desktop\Install_Ratio_Inv"
 REM ============================================================================
-
-REM === DATE ISO robuste (indépendant des paramètres régionaux) ===============
+REM Date ISO (yyyy_MM_dd)
+REM ============================================================================
 for /f %%i in ('powershell -NoProfile -Command "(Get-Date).ToString(\"yyyy_MM_dd\")"') do set "DATESTAMP=%%i"
 set "ARCHIVE_FILE=%PROD_DIR%\Ratio_prod_%DATESTAMP%.xlsm"
 
-echo.
-echo === [1/4] Préparation des dossiers =======================================
+echo(
+echo( === [1/4] Préparation des dossiers =======================================
 if not exist "%PROD_DIR%"       mkdir "%PROD_DIR%"
 if not exist "%INSTALL_CLIENT%" mkdir "%INSTALL_CLIENT%"
 
 if not exist "%DEV_XLSM%" (
-  echo [ERREUR] Fichier DEV introuvable: %DEV_XLSM%
-  goto :EOF
+  echo( [ERREUR] Fichier DEV introuvable: %DEV_XLSM%
+  endlocal & exit /b 1
 )
 
-echo.
-echo === [2/4] Sauvegarde de la PROD courante =================================
+if not exist "%VERSION_TXT%" (
+  echo 1.0.0 > "%VERSION_TXT%"
+  echo( [INFO] VERSION.txt manquant -> initialisé à 1.0.0
+)
+
+REM ---------------------------------------------------------------------------
+REM [2/4] Synchroniser P1 (Tableau de bord) = VERSION.txt, sans macros/événements
+REM ---------------------------------------------------------------------------
+echo(
+echo( === [2/4] Mise a jour P1 depuis VERSION.txt [macros/evenements off] =====
+
+set "NEW_VER="
+set /p NEW_VER=<"%VERSION_TXT%"
+set "NEW_VER=%NEW_VER: =%"
+
+if "%NEW_VER%"=="" (
+  echo( [ERREUR] VERSION.txt est vide. Mets une valeur ex: 2.1.3 et relance.
+  endlocal & exit /b 1
+)
+
+echo(   Version a ecrire en P1 : %NEW_VER%
+
+if not exist "%SETCELL_VBS%" (
+  echo( [WARN] VBS absent: "%SETCELL_VBS%". P1 ne sera pas mis a jour, on continue.
+) else (
+  cscript //nologo "%SETCELL_VBS%" "%DEV_XLSM%" "%SHEET_NAME%" "%CELL_ADDR%" "%NEW_VER%"
+  if errorlevel 1 (
+    echo( [WARN] Echec mise a jour P1. On continue.
+  ) else (
+    echo( [OK] P1 mis a jour dans DEV : %NEW_VER%
+  )
+)
+REM ---------------------------------------------------------------------------
+REM [3/4] Sauvegarde de la PROD courante
+REM ---------------------------------------------------------------------------
+echo(
+echo( === [3/4] Sauvegarde de la PROD courante =================================
 if exist "%PROD_XLSM%" (
-  echo Sauvegarde -> "%ARCHIVE_FILE%"
+  echo( Sauvegarde -> "%ARCHIVE_FILE%"
   copy /Y "%PROD_XLSM%" "%ARCHIVE_FILE%" >nul
 ) else (
-  echo Pas de PROD courante a sauvegarder.
+  echo( Pas de PROD courante à sauvegarder.
 )
 
-echo.
-echo === [3/4] Mise a jour de la PROD depuis le DEV ===========================
-copy /Y "%DEV_XLSM%" "%PROD_XLSM%" >nul
-if errorlevel 1 (
-  echo [ERREUR] Copie du XLSM vers PROD echouee.
-  goto :EOF
+REM ---------------------------------------------------------------------------
+REM [4/4] Copie DEV -> PROD et Dossier client + nettoyage archives
+REM ---------------------------------------------------------------------------
+echo(
+echo( === [4/4] Copie DEV -^> PROD ^& Dossier client =============================
+copy /Y "%DEV_XLSM%" "%PROD_XLSM%" >nul || (
+  echo( [ERREUR] Copie DEV -> PROD echouee.
+  endlocal & exit /b 1
 )
 
-echo.
-echo === [4/4] Preparation du dossier client ==================================
-copy /Y "%PROD_XLSM%" "%INSTALL_CLIENT%\Ratio_prod.xlsm" >nul
-if errorlevel 1 (
-  echo [ERREUR] Copie du XLSM vers INSTALL_CLIENT echouee.
-  goto :EOF
+REM --- Livraison client depuis la PROD (sans ajout de protection) ---
+copy /Y "%PROD_XLSM%" "%INSTALL_CLIENT%\Ratio_prod.xlsm" >nul || (
+  echo( [ERREUR] Copie vers INSTALL_CLIENT echouee.
+  endlocal & exit /b 1
 )
 
-echo.
-echo === Nettoyage: on garde 5 archives les plus recentes =====================
+REM ecrire la version cote PROD pour verification rapide
+echo %NEW_VER% > "%PROD_DIR%\VERSION.txt"
+
 pushd "%PROD_DIR%" >nul
+setlocal EnableDelayedExpansion
 set count=0
 for /f "delims=" %%f in ('dir /b /o-d "Ratio_prod_20??_??_??.xlsm"') do (
   set /a count+=1
-  if !count! gtr 5 (
-    echo Suppression: %%f
-    del "%%f"
-  )
+  if !count! gtr 5 del "%%f"
 )
+endlocal
 popd >nul
 
-echo.
-echo [OK] Mise a jour terminee :
-echo   - PROD  : "%PROD_XLSM%"
-echo   - CLIENT: "%INSTALL_CLIENT%\Ratio_prod.xlsm"
-echo.
-pause
-endlocal & exit /b 0
+REM ---------------------------------------------------------------------------
+REM Nettoyage: garder 5 archives
+REM ---------------------------------------------------------------------------
+pushd "%PROD_DIR%" >nul
+setlocal EnableDelayedExpansion
+set count=0
+for /f "delims=" %%f in ('dir /b /o-d "Ratio_prod_20??_??_??.xlsm"') do (
+  set /a count+=1
+  if !count! gtr 5 del "%%f"
+)
+endlocal
+popd >nul
 
+echo(
+echo( [OK] Mise à jour terminée :
+echo(   - Version        : %NEW_VER%
+echo(   - PROD           : "%PROD_XLSM%"
+echo(   - CLIENT         : "%INSTALL_CLIENT%\Ratio_prod.xlsm"
+echo(   - PROD\VERSION.txt: %NEW_VER%
+echo(
+endlocal & exit /b 0
diff --git a/Scripts/restaurer.sh b/Scripts/restaurer.sh
deleted file mode 100644
index 27b2dc0..0000000
--- a/Scripts/restaurer.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-cp Excel/prod/ratio_prod.xlsm Excel/dev/ratio_dev.xlsm
-echo "✔️ Version stable restaurée dans dev."
\ No newline at end of file
diff --git a/Scripts/set_cell_silent.vbs b/Scripts/set_cell_silent.vbs
new file mode 100644
index 0000000..a0a93c0
--- /dev/null
+++ b/Scripts/set_cell_silent.vbs
@@ -0,0 +1,33 @@
+' set_cell_silent.vbs
+' Usage: cscript //nologo set_cell_silent.vbs "C:\x\file.xlsm" "Feuille" "A1" "Valeur"
+
+On Error Resume Next
+
+If WScript.Arguments.Count < 4 Then WScript.Quit 1
+
+Dim fpath, sname, addr, val
+fpath = WScript.Arguments(0)
+sname = WScript.Arguments(1)
+addr  = WScript.Arguments(2)
+val   = WScript.Arguments(3)
+
+Dim xl, wb, ws
+Set xl = CreateObject("Excel.Application")
+xl.DisplayAlerts = False
+xl.Visible = False
+xl.AutomationSecurity = 3   ' macros OFF
+xl.EnableEvents = False     ' événements OFF
+
+Set wb = xl.Workbooks.Open(fpath, 0, False)
+If Err.Number <> 0 Then xl.Quit: WScript.Quit 2
+
+Set ws = wb.Worksheets(sname)
+If Err.Number <> 0 Then wb.Close False: xl.Quit: WScript.Quit 3
+
+ws.Range(addr).Value = val
+If Err.Number <> 0 Then wb.Close False: xl.Quit: WScript.Quit 4
+
+wb.Save
+wb.Close False
+xl.Quit
+WScript.Quit 0