To sign a C# WPF .NET 6 application, you can follow these steps: Generate a strong name key pair: Open the Developer Command Prompt for Visual Studio (search for it in the Start menu). Navigate to the project directory using the cd command. Run the following command to generate a strong name key pair: Copy code sn -k keypair.snk Configure your project to use the strong name key pair: In Visual Studio (prior to 2022), open your WPF project. Right-click on the project in the Solution Explorer and select "Properties." In the project properties, go to the "Signing" tab. Check the "Sign the assembly" checkbox. Click the "..." button next to the "Choose a strong name key file" field and browse to select the keypair.snk file you generated in the previous step. Click "OK" to save the changes. Configure the project for ClickOnce deployment (optional but recommended for distributing your application): In the project properties, go t