diff --git a/EgtGeneral.rc b/EgtGeneral.rc
index 09821fa..3027702 100644
Binary files a/EgtGeneral.rc and b/EgtGeneral.rc differ
diff --git a/EgtGeneral.vcxproj b/EgtGeneral.vcxproj
index 8db62d0..642a472 100644
--- a/EgtGeneral.vcxproj
+++ b/EgtGeneral.vcxproj
@@ -103,7 +103,7 @@
       <PreprocessorDefinitions>WIN32;I_AM_EGN;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -125,7 +125,7 @@ copy $(TargetPath) \EgtProg\DllD32</Command>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;I_AM_EGN;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>-Wno-tautological-undefined-compare</AdditionalOptions>
     </ClCompile>
     <Link>
@@ -157,7 +157,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -190,7 +190,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <OpenMPSupport>false</OpenMPSupport>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>-Wno-tautological-undefined-compare</AdditionalOptions>
     </ClCompile>
     <Link>