diff --git a/csharp/ExcelAddIn/util/Utility.cs b/csharp/ExcelAddIn/util/Utility.cs
index 4b9de77ca3a..149a1c08392 100644
--- a/csharp/ExcelAddIn/util/Utility.cs
+++ b/csharp/ExcelAddIn/util/Utility.cs
@@ -4,6 +4,8 @@
 namespace Deephaven.ExcelAddIn.Util;
 
 internal static class Utility {
+  public const string VersionString = "Version 0.8.0";
+
   public static T Exchange<T>(ref T item, T newValue) {
     var result = item;
     item = newValue;
diff --git a/csharp/ExcelAddIn/views/ConnectionManagerDialog.Designer.cs b/csharp/ExcelAddIn/views/ConnectionManagerDialog.Designer.cs
index 604c97b2d12..08c6de2edd2 100644
--- a/csharp/ExcelAddIn/views/ConnectionManagerDialog.Designer.cs
+++ b/csharp/ExcelAddIn/views/ConnectionManagerDialog.Designer.cs
@@ -23,7 +23,6 @@ protected override void Dispose(bool disposing) {
     /// the contents of this method with the code editor.
     /// </summary>
     private void InitializeComponent() {
-      colorDialog1 = new ColorDialog();
       dataGridView1 = new DataGridView();
       newButton = new Button();
       connectionsLabel = new Label();
@@ -31,6 +30,7 @@ private void InitializeComponent() {
       deleteButton = new Button();
       reconnectButton = new Button();
       makeDefaultButton = new Button();
+      versionLabel = new Label();
       ((System.ComponentModel.ISupportInitialize)dataGridView1).BeginInit();
       SuspendLayout();
       // 
@@ -114,11 +114,21 @@ private void InitializeComponent() {
       makeDefaultButton.UseVisualStyleBackColor = true;
       makeDefaultButton.Click += makeDefaultButton_Click;
       // 
+      // versionLabel
+      // 
+      versionLabel.AutoSize = true;
+      versionLabel.Location = new Point(12, 581);
+      versionLabel.Name = "versionLabel";
+      versionLabel.Size = new Size(59, 25);
+      versionLabel.TabIndex = 6;
+      versionLabel.Text = "label1";
+      // 
       // ConnectionManagerDialog
       // 
       AutoScaleDimensions = new SizeF(10F, 25F);
       AutoScaleMode = AutoScaleMode.Font;
       ClientSize = new Size(1115, 615);
+      Controls.Add(versionLabel);
       Controls.Add(makeDefaultButton);
       Controls.Add(reconnectButton);
       Controls.Add(deleteButton);
@@ -134,8 +144,6 @@ private void InitializeComponent() {
     }
 
     #endregion
-
-    private ColorDialog colorDialog1;
     private DataGridView dataGridView1;
     private Button newButton;
     private Label connectionsLabel;
@@ -143,5 +151,6 @@ private void InitializeComponent() {
     private Button deleteButton;
     private Button reconnectButton;
     private Button makeDefaultButton;
+    private Label versionLabel;
   }
 }
\ No newline at end of file
diff --git a/csharp/ExcelAddIn/views/ConnectionManagerDialog.cs b/csharp/ExcelAddIn/views/ConnectionManagerDialog.cs
index d56b79f950a..27d561bddc9 100644
--- a/csharp/ExcelAddIn/views/ConnectionManagerDialog.cs
+++ b/csharp/ExcelAddIn/views/ConnectionManagerDialog.cs
@@ -1,4 +1,5 @@
-using Deephaven.ExcelAddIn.Viewmodels;
+using Deephaven.ExcelAddIn.Util;
+using Deephaven.ExcelAddIn.Viewmodels;
 
 namespace Deephaven.ExcelAddIn.Views;
 
@@ -18,6 +19,7 @@ public ConnectionManagerDialog() {
 
     _bindingSource.DataSource = typeof(ConnectionManagerDialogRow);
     dataGridView1.DataSource = _bindingSource;
+    versionLabel.Text = Utility.VersionString;
   }
 
   public void AddRow(ConnectionManagerDialogRow row) {
diff --git a/csharp/ExcelAddIn/views/ConnectionManagerDialog.resx b/csharp/ExcelAddIn/views/ConnectionManagerDialog.resx
index 7f2cf2b8014..b92c16350e8 100644
--- a/csharp/ExcelAddIn/views/ConnectionManagerDialog.resx
+++ b/csharp/ExcelAddIn/views/ConnectionManagerDialog.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
@@ -117,7 +117,4 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="colorDialog1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>17, 17</value>
-  </metadata>
 </root>
\ No newline at end of file
diff --git a/csharp/ExcelAddIn/views/CredentialsDialog.Designer.cs b/csharp/ExcelAddIn/views/CredentialsDialog.Designer.cs
index aca6db6b75a..05c3fd45d94 100644
--- a/csharp/ExcelAddIn/views/CredentialsDialog.Designer.cs
+++ b/csharp/ExcelAddIn/views/CredentialsDialog.Designer.cs
@@ -24,7 +24,7 @@ protected override void Dispose(bool disposing) {
     /// </summary>
     private void InitializeComponent() {
       corePlusPanel = new Panel();
-      label1 = new Label();
+      operateAsLabel = new Label();
       validateCertCheckBox = new CheckBox();
       operateAsBox = new TextBox();
       passwordBox = new TextBox();
@@ -35,11 +35,12 @@ private void InitializeComponent() {
       jsonUrlLabel = new Label();
       corePanel = new Panel();
       connectionStringBox = new TextBox();
-      label2 = new Label();
+      connectionStringLabel = new Label();
       groupBox1 = new GroupBox();
       sessionTypeIsGroovyButton = new RadioButton();
       sessionTypeIsPythonButton = new RadioButton();
       finalPanel = new Panel();
+      versionLabel = new Label();
       makeDefaultCheckBox = new CheckBox();
       testResultsTextBox = new TextBox();
       testResultsLabel = new Label();
@@ -61,7 +62,7 @@ private void InitializeComponent() {
       // 
       // corePlusPanel
       // 
-      corePlusPanel.Controls.Add(label1);
+      corePlusPanel.Controls.Add(operateAsLabel);
       corePlusPanel.Controls.Add(validateCertCheckBox);
       corePlusPanel.Controls.Add(operateAsBox);
       corePlusPanel.Controls.Add(passwordBox);
@@ -76,14 +77,14 @@ private void InitializeComponent() {
       corePlusPanel.Size = new Size(1054, 299);
       corePlusPanel.TabIndex = 2;
       // 
-      // label1
+      // operateAsLabel
       // 
-      label1.AutoSize = true;
-      label1.Location = new Point(75, 183);
-      label1.Name = "label1";
-      label1.Size = new Size(96, 25);
-      label1.TabIndex = 217;
-      label1.Text = "OperateAs";
+      operateAsLabel.AutoSize = true;
+      operateAsLabel.Location = new Point(75, 183);
+      operateAsLabel.Name = "operateAsLabel";
+      operateAsLabel.Size = new Size(96, 25);
+      operateAsLabel.TabIndex = 217;
+      operateAsLabel.Text = "OperateAs";
       // 
       // validateCertCheckBox
       // 
@@ -160,7 +161,7 @@ private void InitializeComponent() {
       // corePanel
       // 
       corePanel.Controls.Add(connectionStringBox);
-      corePanel.Controls.Add(label2);
+      corePanel.Controls.Add(connectionStringLabel);
       corePanel.Controls.Add(groupBox1);
       corePanel.Dock = DockStyle.Top;
       corePanel.Location = new Point(0, 490);
@@ -176,14 +177,14 @@ private void InitializeComponent() {
       connectionStringBox.Size = new Size(795, 31);
       connectionStringBox.TabIndex = 1;
       // 
-      // label2
+      // connectionStringLabel
       // 
-      label2.AutoSize = true;
-      label2.Location = new Point(27, 23);
-      label2.Name = "label2";
-      label2.Size = new Size(153, 25);
-      label2.TabIndex = 0;
-      label2.Text = "Connection String";
+      connectionStringLabel.AutoSize = true;
+      connectionStringLabel.Location = new Point(27, 23);
+      connectionStringLabel.Name = "connectionStringLabel";
+      connectionStringLabel.Size = new Size(153, 25);
+      connectionStringLabel.TabIndex = 0;
+      connectionStringLabel.Text = "Connection String";
       // 
       // groupBox1
       // 
@@ -220,6 +221,7 @@ private void InitializeComponent() {
       // 
       // finalPanel
       // 
+      finalPanel.Controls.Add(versionLabel);
       finalPanel.Controls.Add(makeDefaultCheckBox);
       finalPanel.Controls.Add(testResultsTextBox);
       finalPanel.Controls.Add(testResultsLabel);
@@ -231,6 +233,15 @@ private void InitializeComponent() {
       finalPanel.Size = new Size(1054, 106);
       finalPanel.TabIndex = 4;
       // 
+      // versionLabel
+      // 
+      versionLabel.AutoSize = true;
+      versionLabel.Location = new Point(12, 72);
+      versionLabel.Name = "versionLabel";
+      versionLabel.Size = new Size(110, 25);
+      versionLabel.TabIndex = 8;
+      versionLabel.Text = "versionLabel";
+      // 
       // makeDefaultCheckBox
       // 
       makeDefaultCheckBox.Anchor = AnchorStyles.Top | AnchorStyles.Right;
@@ -377,7 +388,7 @@ private void InitializeComponent() {
     private Panel corePlusPanel;
     private Panel corePanel;
     private Label jsonUrlLabel;
-    private Label label2;
+    private Label connectionStringLabel;
     private TextBox jsonUrlBox;
     private TextBox connectionStringBox;
     private Label passwordLabel;
@@ -395,6 +406,7 @@ private void InitializeComponent() {
     private RadioButton sessionTypeIsGroovyButton;
     private RadioButton sessionTypeIsPythonButton;
     private Panel connectionIdPanel;
-    private Label label1;
+    private Label operateAsLabel;
+    private Label versionLabel;
   }
 }
\ No newline at end of file
diff --git a/csharp/ExcelAddIn/views/CredentialsDialog.cs b/csharp/ExcelAddIn/views/CredentialsDialog.cs
index f3b664cab31..0b538bd4936 100644
--- a/csharp/ExcelAddIn/views/CredentialsDialog.cs
+++ b/csharp/ExcelAddIn/views/CredentialsDialog.cs
@@ -1,4 +1,5 @@
-using Deephaven.ExcelAddIn.ViewModels;
+using Deephaven.ExcelAddIn.Util;
+using Deephaven.ExcelAddIn.ViewModels;
 
 namespace ExcelAddIn.views {
   public partial class CredentialsDialog : Form {
@@ -47,6 +48,9 @@ public CredentialsDialog(CredentialsDialogViewModel vm) {
       // Bind the IsDefault property
       makeDefaultCheckBox.DataBindings.Add(nameof(makeDefaultCheckBox.Checked),
         vm, nameof(vm.IsDefault));
+
+      // Set the version label
+      versionLabel.Text = Utility.VersionString;
     }
 
     public void SetTestResultsBox(string testResultsState) {
diff --git a/csharp/ExcelAddIn/views/CredentialsDialog.resx b/csharp/ExcelAddIn/views/CredentialsDialog.resx
index 4f24d55cd6b..b92c16350e8 100644
--- a/csharp/ExcelAddIn/views/CredentialsDialog.resx
+++ b/csharp/ExcelAddIn/views/CredentialsDialog.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/csharp/ExcelAddInInstaller/ExcelAddInInstaller.aip b/csharp/ExcelAddInInstaller/ExcelAddInInstaller.aip
index e67e5d01d15..5faf4913676 100644
--- a/csharp/ExcelAddInInstaller/ExcelAddInInstaller.aip
+++ b/csharp/ExcelAddInInstaller/ExcelAddInInstaller.aip
@@ -12,10 +12,10 @@
     <ROW Property="BannerBitmap" Value="banner.jpg" MultiBuildValue="DefaultBuild:Banner.jpg" Type="1" MsiKey="BannerBitmap"/>
     <ROW Property="DialogBitmap" Value="dialog.jpg" MultiBuildValue="DefaultBuild:Dialog.jpg" Type="1" MsiKey="DialogBitmap"/>
     <ROW Property="Manufacturer" Value="Deephaven Data Labs LLC"/>
-    <ROW Property="ProductCode" Value="1033:{5C1E1B63-CC23-4F4D-8564-A843AA5D7413} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{7CA02F46-8607-4C9B-8372-AAAACD94DAC4} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="Deephaven Excel Add-In"/>
-    <ROW Property="ProductVersion" Value="1.0.0" Options="32"/>
+    <ROW Property="ProductVersion" Value="0.8.0" Options="32"/>
     <ROW Property="SecureCustomProperties" Value="OLDPRODUCTS;AI_NEWERPRODUCTFOUND"/>
     <ROW Property="UpgradeCode" Value="{98EB9359-8BA3-44BA-A411-AED290E6EBD9}"/>
     <ROW Property="WindowsType9X" MultiBuildValue="DefaultBuild:Windows 9x/ME" ValueLocId="-"/>
@@ -67,7 +67,7 @@
     <ROW Component="zstd.dll" ComponentId="{4DE80229-9EDC-40D0-9B91-4E6BCECAC0C9}" Directory_="APPDIR" Attributes="256" KeyPath="zstd.dll"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiFeatsComponent">
-    <ROW Feature="A0BFC224E0E9125ADE0B2DBF343" Title=".NET Desktop Runtime 8.0.8 x64" Description=".NET Desktop Runtime 8.0.8 x64" Display="3" Level="1" Attributes="0"/>
+    <ROW Feature="A0BFC224E0E9125ADE0B2DBF343" Title=".NET Desktop Runtime 8.0.12 x64" Description=".NET Desktop Runtime 8.0.12 x64" Display="3" Level="1" Attributes="0"/>
     <ROW Feature="MainFeature" Title="MainFeature" Description="Description" Display="1" Level="1" Directory_="APPDIR" Attributes="0"/>
     <ATTRIBUTE name="CurrentFeature" value="MainFeature"/>
   </COMPONENT>
@@ -351,7 +351,7 @@
     <ROW UpgradeCode="[|UpgradeCode]" VersionMin="[|ProductVersion]" Attributes="2" ActionProperty="AI_NEWERPRODUCTFOUND"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.PreReqComponent">
-    <ROW PrereqKey="A0BFC224E0E9125ADE0B2DBF343" DisplayName=".NET Desktop Runtime 8.0.8 x64" VersionMin="8.0" SetupFileUrl="Prerequisites\.NET 8.0\windowsdesktop-runtime-8.0.8-win-x64.exe" Location="0" ExactSize="0" WinNTVersions="Windows 9x/ME/NT/2000/XP/Vista/Windows 7/Windows 8 x86/Windows 8.1 x86/Windows 10 x86" WinNT64Versions="Windows 7 RTM x64, Windows 8 x64, Windows Server 2012 x64, Windows 10 version 1507 x64, Windows 10 version 1511 x64" Operator="1" NoUiComLine="/q /norestart" Options="fx" TargetName=".NET 8.0\windowsdesktop-runtime-8.0.8-win-x64.exe" Feature="A0BFC224E0E9125ADE0B2DBF343"/>
+    <ROW PrereqKey="A0BFC224E0E9125ADE0B2DBF343" DisplayName=".NET Desktop Runtime 8.0.12 x64" VersionMin="8.0" SetupFileUrl="Prerequisites\.NET 8.0\windowsdesktop-runtime-8.0.12-win-x64.exe" Location="0" ExactSize="0" WinNTVersions="Windows 9x/ME/NT/2000/XP/Vista/Windows 7/Windows 8 x86/Windows 8.1 x86/Windows 10 x86" WinNT64Versions="Windows 7 RTM x64, Windows 8 x64, Windows Server 2012 x64, Windows 10 version 1507 x64, Windows 10 version 1511 x64" Operator="1" NoUiComLine="/q /norestart" Options="fx" TargetName=".NET 8.0\windowsdesktop-runtime-8.0.12-win-x64.exe" Feature="A0BFC224E0E9125ADE0B2DBF343"/>
     <ATTRIBUTE name="PrereqsOrder" value="A0BFC224E0E9125ADE0B2DBF343"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.PreReqSearchComponent">
diff --git a/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/.gitignore b/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/.gitignore
new file mode 100644
index 00000000000..b883f1fdc6d
--- /dev/null
+++ b/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/.gitignore	
@@ -0,0 +1 @@
+*.exe
diff --git a/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/README.md b/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/README.md
new file mode 100644
index 00000000000..c86b9e81347
--- /dev/null
+++ b/csharp/ExcelAddInInstaller/Prerequisites/.NET 8.0/README.md	
@@ -0,0 +1,9 @@
+This file is a placeholder that creates this directory in source control.
+
+This directory is the location of the prerequisites for the Deephaven Excel
+AddIn. Currently it holds the .exe file for the .NET 8.0 Windows Desktop
+Runtime installer. You are meant to download this installer from Microsoft
+and place it in this directory.
+
+Instructions for doing so are in Confluence in the article entitled
+"Creating a Windows MSI Installer for the Deephaven Excel Add-In (2nd gen)"
diff --git a/csharp/ExcelAddInInstaller/VERSIONS.md b/csharp/ExcelAddInInstaller/VERSIONS.md
new file mode 100644
index 00000000000..478039dd776
--- /dev/null
+++ b/csharp/ExcelAddInInstaller/VERSIONS.md
@@ -0,0 +1,5 @@
+# Deephaven Excel Addin Versions
+
+0.8.0:
+Built against Community Core at hash 5f62c5bc36d1cad63e3c9ddf33bedc83cb6bf377
+Built against Enterprise Core+ at release grizzly/1.20240517.349
diff --git a/csharp/ExcelAddInInstaller/dhinstall/.gitignore b/csharp/ExcelAddInInstaller/dhinstall/.gitignore
index 8620bdd7442..38e60d6d796 100644
--- a/csharp/ExcelAddInInstaller/dhinstall/.gitignore
+++ b/csharp/ExcelAddInInstaller/dhinstall/.gitignore
@@ -1,2 +1,3 @@
-*.dll
-*.exe
+bin/
+include/
+lib/