After the wizard is installed, the Revit .NET Addin template will be added to the Visual Studio IDE.
When creating a new project, choose the second Visual C# node from the left pane and the Revit .NET Addin template from the right pane, and provide the project name and location:
Provide the addin name, choose the Revit version and flavour, check whether to start Revit when debugging, and change the API library path if necessary:
Click ‘Next’ to continue and set options for the external application:
Click ‘Next’ again to continue to set options for the external command:
Click ‘Next’ again to continue and review the summary of the wizard options:
After the ‘Finish’ button is pressed, a Revit addin project will be created and the solution browser will look like:
Links to some related articles: