diff --git a/ETFragBFTKlassenBibliothek/ETFragBFTKlassenBibliothek.csproj b/ETFragBFTKlassenBibliothek/ETFragBFTKlassenBibliothek.csproj
index d9c0eb6..8a6bfb6 100644
--- a/ETFragBFTKlassenBibliothek/ETFragBFTKlassenBibliothek.csproj
+++ b/ETFragBFTKlassenBibliothek/ETFragBFTKlassenBibliothek.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
+    <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/FragBFT/FragBFT.csproj b/FragBFT/FragBFT.csproj
index d004481..28cd92f 100644
--- a/FragBFT/FragBFT.csproj
+++ b/FragBFT/FragBFT.csproj
@@ -3,6 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
+    <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/FragBFT12.sln b/FragBFT12.sln
index cf9dffb..ee315c3 100644
--- a/FragBFT12.sln
+++ b/FragBFT12.sln
@@ -22,41 +22,75 @@ EndProject
 Global
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 		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
 		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
 	EndGlobalSection
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diff --git a/FragBFTKlassenBibliothek/FragBFTKlassenBibliothek.csproj b/FragBFTKlassenBibliothek/FragBFTKlassenBibliothek.csproj
index 1453928..3b2d265 100644
--- a/FragBFTKlassenBibliothek/FragBFTKlassenBibliothek.csproj
+++ b/FragBFTKlassenBibliothek/FragBFTKlassenBibliothek.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
+    <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/KonsolenExtrasBibliothek/KonsolenExtrasBibliothek.csproj b/KonsolenExtrasBibliothek/KonsolenExtrasBibliothek.csproj
index f208d30..628e21e 100644
--- a/KonsolenExtrasBibliothek/KonsolenExtrasBibliothek.csproj
+++ b/KonsolenExtrasBibliothek/KonsolenExtrasBibliothek.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
+    <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>
 
 </Project>