diff --git a/EgtEngine.cpp b/EgtEngine.cpp
index a3c3100..48f43cc 100644
--- a/EgtEngine.cpp
+++ b/EgtEngine.cpp
@@ -50,6 +50,7 @@ static char S_GEOMDB[] = "GeomDB" ;
 static char K_NFEFONTDIR[] = "NfeFontDir" ;
 static char K_DEFAULTFONT[] = "DefaultFont" ;
 static char S_SCENE[] = "Scene" ;
+static char K_ENABLE[] = "Enable" ;
 static char K_MMUNITS[] = "MmUnits" ;
 static char S_IMPORT[] = "Import" ;
 static char K_BTLFLAG[] = "BtlFlag" ;
@@ -119,8 +120,8 @@ wmain( int argc, wchar_t* argv[])
       ExeSetLockId( sLockId) ;
   // Recupero livello e opzioni della chiave
    int nKeyLev ; unsigned int nKeyOptions ;
-   bool bKey = ExeGetKeyLevel( 9935, 2710, 1, nKeyLev) &&
-               ExeGetKeyOptions( 9935, 2710, 1, nKeyOptions) ;
+   bool bKey = ExeGetKeyLevel( 9935, 2711, 1, nKeyLev) &&
+               ExeGetKeyOptions( 9935, 2711, 1, nKeyOptions) ;
   // Recupero livello utente e livello di debug
    int nUserLev = min( GetPrivateProfileInt( S_GENERAL, K_USERLEVEL, 1, sFileIni.c_str()), nKeyLev) ;
    int nDebug = GetPrivateProfileInt( S_GENERAL, K_DEBUG, 0, sFileIni.c_str()) ;
@@ -152,6 +153,9 @@ wmain( int argc, wchar_t* argv[])
   // Imposto direttorio ausiliario per import/gestione BTL (sempre dopo impostazioni lua)
    string sBtlAuxDir = GetPrivateProfileStringUtf8( S_IMPORT, K_BTLAUXDIR, "", sFileIni.c_str()) ;
    ExeSetBtlAuxDir( sBtlAuxDir) ;
+  // Imposto abilitazione interfaccia (per dialoghi da script lua)
+   bool bEnableUi = ( GetPrivateProfileInt( S_SCENE, K_ENABLE, 0, sFileIni.c_str()) != 0) ;
+   ExeSetEnableUI( bEnableUi) ;
   // Imposto unità di misura di interfaccia (per generazione CN)
    bool bMM = ( GetPrivateProfileInt( S_SCENE, K_MMUNITS, 1, sFileIni.c_str()) != 0) ;
    ExeSetUiUnits( bMM) ;
@@ -181,8 +185,6 @@ wmain( int argc, wchar_t* argv[])
       return 2 ;
    }
    ExeInitTscExec() ;
-  // Disabilito utilizzo UI perchè non definita
-   ExeSetEnableUI( false) ;
   // Inizializzo gestore lavorazioni
    ExeInitMachMgr( sMachinesRoot, sToolMakersDir) ;
   // Eventuale inizializzazione gestore travi e pareti
diff --git a/EgtEngine.rc b/EgtEngine.rc
index 07385e0..a46aaba 100644
--- a/EgtEngine.rc
+++ b/EgtEngine.rc
@@ -56,7 +56,7 @@ VS_VERSION_INFO$(_DEB32) VERSIONINFO
 #else
 VS_VERSION_INFO VERSIONINFO
 #endif
- FILEVERSION 2,7,10,1
+ FILEVERSION 2,7,11,1
  PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -74,7 +74,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Egalware s.r.l."
             VALUE "FileDescription", "EgtEngine Debug Version"
-            VALUE "FileVersion", "2.7j1"
+            VALUE "FileVersion", "2.7k1"
             VALUE "InternalName", "EgtEngine"
             VALUE "LegalCopyright", "Copyright (C) 2023-2025 by Egalware s.r.l."
             VALUE "OriginalFilename", "EgtEngineD32.exe"
@@ -95,7 +95,7 @@ VS_VERSION_INFO$(NDEB32) VERSIONINFO
 #else
 VS_VERSION_INFO VERSIONINFO
 #endif
- FILEVERSION 2,7,10,1
+ FILEVERSION 2,7,11,1
  PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -113,7 +113,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Egalware s.r.l."
             VALUE "FileDescription", "EgtEngine"
-            VALUE "FileVersion", "2.7j1"
+            VALUE "FileVersion", "2.7k1"
             VALUE "InternalName", "EgtEngine"
             VALUE "LegalCopyright", "Copyright (C) 2023-2025 by Egalware s.r.l."
             VALUE "OriginalFilename", "EgtEngineR32.exe"
@@ -134,7 +134,7 @@ VS_VERSION_INFO$(_DEB64) VERSIONINFO
 #else
 VS_VERSION_INFO VERSIONINFO
 #endif
- FILEVERSION 2,7,10,1
+ FILEVERSION 2,7,11,1
  PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -152,7 +152,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Egalware s.r.l."
             VALUE "FileDescription", "EgtEngine Debug Version"
-            VALUE "FileVersion", "2.7j1"
+            VALUE "FileVersion", "2.7k1"
             VALUE "InternalName", "EgtEngine"
             VALUE "LegalCopyright", "Copyright (C) 2023-2025 by Egalware s.r.l."
             VALUE "OriginalFilename", "EgtEngineD64.exe"
@@ -173,7 +173,7 @@ VS_VERSION_INFO$(NDEB64) VERSIONINFO
 #else
 VS_VERSION_INFO VERSIONINFO
 #endif
- FILEVERSION 2,7,10,1
+ FILEVERSION 2,7,11,1
  PRODUCTVERSION 2,7,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
@@ -191,7 +191,7 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Egalware s.r.l."
             VALUE "FileDescription", "EgtEngine"
-            VALUE "FileVersion", "2.7j1"
+            VALUE "FileVersion", "2.7k1"
             VALUE "InternalName", "EgtEngine"
             VALUE "LegalCopyright", "Copyright (C) 2023-2025 by Egalware s.r.l."
             VALUE "OriginalFilename", "EgtEngineR64.exe"
diff --git a/EgtEngine.vcxproj b/EgtEngine.vcxproj
index 0dbcf48..5d990e1 100644
--- a/EgtEngine.vcxproj
+++ b/EgtEngine.vcxproj
@@ -114,7 +114,7 @@
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4996</DisableSpecificWarnings>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -144,7 +144,7 @@
       </AdditionalIncludeDirectories>
       <DisableSpecificWarnings>
       </DisableSpecificWarnings>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -182,7 +182,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <CompileAs>CompileAsCpp</CompileAs>
     </ClCompile>
     <Link>
@@ -225,7 +225,7 @@
       <OpenMPSupport>true</OpenMPSupport>
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <IntelJCCErratum>true</IntelJCCErratum>
       <RuntimeTypeInfo>true</RuntimeTypeInfo>
     </ClCompile>