diff --git a/Directory.Build.props b/Directory.Build.props
index 69b31952b62505d80ad6cf0bac59e2a7cd01b0d7..881e0cfe10c065d45944751abe642b01296fd58a 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -2,14 +2,14 @@
   <PropertyGroup>
     <DefineConstants />
     <!-- For a Release-Candidate uncomment the following line: -->
-    <DefineConstants>RELEASE_CANDIDATE</DefineConstants>
+    <!-- <DefineConstants>RELEASE_CANDIDATE</DefineConstants> -->
 
     <!-- For a Release uncomment the following line: -->
-    <!--<DefineConstants>CERTIFICATION_RELEASE</DefineConstants>-->
+    <DefineConstants>CERTIFICATION_RELEASE</DefineConstants>
 
     <!-- Global VECTO Version -->
     <MainProductVersion>4.0.0</MainProductVersion>
-    <VersionSuffix>RC</VersionSuffix>
+    <!-- <VersionSuffix>RC</VersionSuffix> -->
 
     <!-- The following settings are used as default values for ALL projects -->
     <Days>$([System.DateTime]::UtcNow.Subtract($([System.DateTime]::new(2015,1,1))).Days)</Days>
diff --git a/Directory.Build.targets b/Directory.Build.targets
index 4bd57e7dad612a2bbb80d82d514c46597590cf41..7efd9fd845675fa7821e5022c7e395e8ee5f9400 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -11,6 +11,7 @@
 
 		<Message Text="Packaging in $(Configuration) Configuration $(VersionPrefix)" Importance="high" />
 		<Exec Command="cscript &quot;$(SolutionDir)documentation\user manual source\convertpptxtopdf.vbs&quot; &quot;$(SolutionDir)documentation\user manual source\release notes vecto3.x.pptx&quot; &quot;$(SolutionDir)documentation\user manual source\release notes vecto3.x.pdf&quot;"/>
+		<Exec Command="cscript &quot;$(SolutionDir)documentation\user manual source\convertpptxtopdf.vbs&quot; &quot;$(SolutionDir)documentation\user manual source\release notes vecto4.x.pptx&quot; &quot;$(SolutionDir)documentation\user manual source\release notes vecto4.x.pdf&quot;"/>
 		<PropertyGroup>
 			<CurrentDate>$([System.DateTime]::Now.ToString(yyy_MM_dd))</CurrentDate>
 			<DeployPath>$(SolutionDir)Deploy\$(CurrentDate)-VECTO-$(Version)\</DeployPath>
@@ -154,7 +155,8 @@
 			<UserManual Include="$(SolutionDir)Documentation\XML\Documentation_OfficialResults_2ndAmendment_20230425.xlsx"/>
 			<ParameterDocu Include="$(SolutionDir)Documentation\XML\ParameterDocumentation\*.*"/>
 			<ParameterDocuStyle Include="$(SolutionDir)Documentation\XML\ParameterDocumentation\HTML\css\*.*"/>
-			<ReleaseNotes Include="$(SolutionDir)Documentation\User Manual Source\Release Notes Vecto3.x.pdf"/>
+			<ReleaseNotes3 Include="$(SolutionDir)Documentation\User Manual Source\Release Notes Vecto3.x.pdf"/>
+			<ReleaseNotes4 Include="$(SolutionDir)Documentation\User Manual Source\Release Notes Vecto4.x.pdf"/>
 		</ItemGroup>
 		<Copy SourceFiles="@(GenericVehicles)" DestinationFiles="@(GenericVehicles->'$(DeployPath)Generic Vehicles\%(RecursiveDir)%(Filename)%(Extension)')" />
 		<!-- <Copy SourceFiles="@(DeclarationData)" DestinationFolder="$(DeployPath)Declaration" /> -->
@@ -163,7 +165,8 @@
 		<Copy SourceFiles="@(VectoXMLExamples)" DestinationFolder="$(DeployPath)XML\Examples" />
 		<Copy SourceFiles="@(VectoXSD)" DestinationFolder="$(DeployPath)XML\XSD" />
 		<Copy SourceFiles="@(UserManual)" DestinationFolder="$(DeployPath)User Manual" />
-		<Copy SourceFiles="@(ReleaseNotes)" DestinationFiles="$(DeployPath)User Manual\Release Notes.pdf" />
+		<Copy SourceFiles="@(ReleaseNotes3)" DestinationFiles="$(DeployPath)User Manual\Release Notes Vecto 3.pdf" />
+		<Copy SourceFiles="@(ReleaseNotes4)" DestinationFiles="$(DeployPath)User Manual\Release Notes Vecto 4.pdf" />
 		<Copy SourceFiles="@(VectoConfigurationSample)" DestinationFolder="$(DeployPath)"/>
 		<Copy SourceFiles="$(SolutionDir)\Documentation\User Manual Source\README for Mission Profiles Directory.txt" DestinationFiles="$(DeployPath)Mission Profiles\!! README !!.TXT"/>
 		<Copy SourceFiles="$(SolutionDir)\Documentation\User Manual Source\README for Declaration Directory.txt" DestinationFiles="$(DeployPath)Declaration\!! README !!.TXT"/>
diff --git a/Documentation/User Manual Source/Release Notes Vecto4.x.pptx b/Documentation/User Manual Source/Release Notes Vecto4.x.pptx
new file mode 100644
index 0000000000000000000000000000000000000000..e0d8d075d996122ee37eb1509227e4cca47dc33f
Binary files /dev/null and b/Documentation/User Manual Source/Release Notes Vecto4.x.pptx differ
diff --git a/Documentation/User Manual Source/release notes vecto4.x.pdf b/Documentation/User Manual Source/release notes vecto4.x.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..cd9db43911e7d6d638b61c89bc1bda3d4adf082b
Binary files /dev/null and b/Documentation/User Manual Source/release notes vecto4.x.pdf differ