diff --git a/Samples/WindowsCopilotRuntime/README.md b/Samples/WindowsCopilotRuntime/README.md
index 09ce338a..9e53df2f 100644
--- a/Samples/WindowsCopilotRuntime/README.md
+++ b/Samples/WindowsCopilotRuntime/README.md
@@ -24,6 +24,8 @@ An app that demonstrates how to use the Windows Copilot Runtime with WinUI.
 -   Make sure that your development environment is set up correctly—see
     [Install tools for developing apps for Windows 10 and Windows 11](https://docs.microsoft.com/windows/apps/windows-app-sdk/set-up-your-development-environment).
 -   Use a Copilot+ PC
+-   Detailed instructions : [Set up your development environment to build Windows Copilot Runtime APIs](https://learn.microsoft.com/en-us/windows/ai/apis/model-setup)
+
 
 To get the latest updates to Windows and the development tools, and to help shape their development,
 join the [Windows Insider Program](https://insider.windows.com).
diff --git a/Samples/WindowsCopilotRuntime/cs-winui/Package.appxmanifest b/Samples/WindowsCopilotRuntime/cs-winui/Package.appxmanifest
index e28abc61..7351cbda 100644
--- a/Samples/WindowsCopilotRuntime/cs-winui/Package.appxmanifest
+++ b/Samples/WindowsCopilotRuntime/cs-winui/Package.appxmanifest
@@ -8,7 +8,7 @@
 
   <Identity
     Name="83A5CFAE-CB0B-4A04-978E-F8A251F3AED2"
-    Publisher="CN=praanan"
+    Publisher="CN=microsoft"
     Version="1.0.0.0" />
 
   <Properties>
diff --git a/Samples/WindowsCopilotRuntime/cs-winui/WindowsCopilotRuntimeSample.csproj b/Samples/WindowsCopilotRuntime/cs-winui/WindowsCopilotRuntimeSample.csproj
index 3a532a33..fecf514d 100644
--- a/Samples/WindowsCopilotRuntime/cs-winui/WindowsCopilotRuntimeSample.csproj
+++ b/Samples/WindowsCopilotRuntime/cs-winui/WindowsCopilotRuntimeSample.csproj
@@ -20,7 +20,6 @@
 		<GenerateTestArtifacts>True</GenerateTestArtifacts>
 		<AppxBundle>Never</AppxBundle>
 		<HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
-		<PackageCertificateKeyFile>WindowsCopilotRuntimeSample_TemporaryKey.pfx</PackageCertificateKeyFile>
 	</PropertyGroup>
   <ItemGroup>
     <None Remove="Controls\ModelInitializationControl.xaml" />