diff --git a/AbstractFactory.Conceptual/AbstractFactory.Conceptual.csproj b/AbstractFactory.Conceptual/AbstractFactory.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/AbstractFactory.Conceptual/AbstractFactory.Conceptual.csproj
+++ b/AbstractFactory.Conceptual/AbstractFactory.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Adapter.Conceptual/Adapter.Conceptual.csproj b/Adapter.Conceptual/Adapter.Conceptual.csproj
index ffc1a77..baea15b 100644
--- a/Adapter.Conceptual/Adapter.Conceptual.csproj
+++ b/Adapter.Conceptual/Adapter.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Bridge.Conceptual/Bridge.Conceptual.csproj b/Bridge.Conceptual/Bridge.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Bridge.Conceptual/Bridge.Conceptual.csproj
+++ b/Bridge.Conceptual/Bridge.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Builder.Conceptual/Builder.Conceptual.csproj b/Builder.Conceptual/Builder.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Builder.Conceptual/Builder.Conceptual.csproj
+++ b/Builder.Conceptual/Builder.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/ChainOfResponsibility.Conceptual/ChainOfResponsibility.Conceptual.csproj b/ChainOfResponsibility.Conceptual/ChainOfResponsibility.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/ChainOfResponsibility.Conceptual/ChainOfResponsibility.Conceptual.csproj
+++ b/ChainOfResponsibility.Conceptual/ChainOfResponsibility.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Command.Conceptual/Command.Conceptual.csproj b/Command.Conceptual/Command.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Command.Conceptual/Command.Conceptual.csproj
+++ b/Command.Conceptual/Command.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Composite.Conceptual/Composite.Conceptual.csproj b/Composite.Conceptual/Composite.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Composite.Conceptual/Composite.Conceptual.csproj
+++ b/Composite.Conceptual/Composite.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Decorator.Conceptual/Decorator.Conceptual.csproj b/Decorator.Conceptual/Decorator.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Decorator.Conceptual/Decorator.Conceptual.csproj
+++ b/Decorator.Conceptual/Decorator.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Facade.Conceptual/Facade.Conceptual.csproj b/Facade.Conceptual/Facade.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Facade.Conceptual/Facade.Conceptual.csproj
+++ b/Facade.Conceptual/Facade.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/FactoryMethod.Conceptual/FactoryMethod.Conceptual.csproj b/FactoryMethod.Conceptual/FactoryMethod.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/FactoryMethod.Conceptual/FactoryMethod.Conceptual.csproj
+++ b/FactoryMethod.Conceptual/FactoryMethod.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Flyweight.Conceptual/Flyweight.Conceptual.csproj b/Flyweight.Conceptual/Flyweight.Conceptual.csproj
index d47c375..8af316f 100644
--- a/Flyweight.Conceptual/Flyweight.Conceptual.csproj
+++ b/Flyweight.Conceptual/Flyweight.Conceptual.csproj
@@ -1,9 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="9.0.5" />
-  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Iterator.Conceptual/Iterator.Conceptual.csproj b/Iterator.Conceptual/Iterator.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Iterator.Conceptual/Iterator.Conceptual.csproj
+++ b/Iterator.Conceptual/Iterator.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Mediator.Conceptual/Mediator.Conceptual.csproj b/Mediator.Conceptual/Mediator.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Mediator.Conceptual/Mediator.Conceptual.csproj
+++ b/Mediator.Conceptual/Mediator.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Memento.Conceptual/Memento.Conceptual.csproj b/Memento.Conceptual/Memento.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Memento.Conceptual/Memento.Conceptual.csproj
+++ b/Memento.Conceptual/Memento.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Observer.Conceptual/Observer.Conceptual.csproj b/Observer.Conceptual/Observer.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Observer.Conceptual/Observer.Conceptual.csproj
+++ b/Observer.Conceptual/Observer.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Prototype.Conceptual/Program.cs b/Prototype.Conceptual/Program.cs
index d1edb2d..3b11390 100644
--- a/Prototype.Conceptual/Program.cs
+++ b/Prototype.Conceptual/Program.cs
@@ -28,7 +28,7 @@ public Person DeepCopy()
         {
             Person clone = (Person) this.MemberwiseClone();
             clone.IdInfo = new IdInfo(IdInfo.IdNumber);
-            clone.Name = String.Copy(Name);
+            clone.Name = Name;
             return clone;
         }
     }
diff --git a/Prototype.Conceptual/Prototype.Conceptual.csproj b/Prototype.Conceptual/Prototype.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Prototype.Conceptual/Prototype.Conceptual.csproj
+++ b/Prototype.Conceptual/Prototype.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Proxy.Conceptual/Proxy.Conceptual.csproj b/Proxy.Conceptual/Proxy.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Proxy.Conceptual/Proxy.Conceptual.csproj
+++ b/Proxy.Conceptual/Proxy.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Singleton.Conceptual/NonThreadSafe/Singleton.Conceptual.NonThreadSafe.csproj b/Singleton.Conceptual/NonThreadSafe/Singleton.Conceptual.NonThreadSafe.csproj
index b3587f9..8af316f 100644
--- a/Singleton.Conceptual/NonThreadSafe/Singleton.Conceptual.NonThreadSafe.csproj
+++ b/Singleton.Conceptual/NonThreadSafe/Singleton.Conceptual.NonThreadSafe.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Singleton.Conceptual/ThreadSafe/Singleton.Conceptual.ThreadSafe.csproj b/Singleton.Conceptual/ThreadSafe/Singleton.Conceptual.ThreadSafe.csproj
index b3587f9..8af316f 100644
--- a/Singleton.Conceptual/ThreadSafe/Singleton.Conceptual.ThreadSafe.csproj
+++ b/Singleton.Conceptual/ThreadSafe/Singleton.Conceptual.ThreadSafe.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/State.Conceptual/State.Conceptual.csproj b/State.Conceptual/State.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/State.Conceptual/State.Conceptual.csproj
+++ b/State.Conceptual/State.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Strategy.Conceptual/Strategy.Conceptual.csproj b/Strategy.Conceptual/Strategy.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/Strategy.Conceptual/Strategy.Conceptual.csproj
+++ b/Strategy.Conceptual/Strategy.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/TemplateMethod.Conceptual/TemplateMethod.Conceptual.csproj b/TemplateMethod.Conceptual/TemplateMethod.Conceptual.csproj
index b3587f9..8af316f 100644
--- a/TemplateMethod.Conceptual/TemplateMethod.Conceptual.csproj
+++ b/TemplateMethod.Conceptual/TemplateMethod.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Visitor.Conceptual/Visitor.Conceptual.csproj b/Visitor.Conceptual/Visitor.Conceptual.csproj
index b3587f9..610704b 100644
--- a/Visitor.Conceptual/Visitor.Conceptual.csproj
+++ b/Visitor.Conceptual/Visitor.Conceptual.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
-</Project>
\ No newline at end of file
+</Project>