For more information, see How to: Specify a publish page for a ClickOnce application. The default name for the Web page is Publish.htm you can change the name in the Project Designer.
The actual links that you see on the page depend on the computer where the page is being viewed and what prerequisites you are including. The default page contains the name of the application and links to install the application, install prerequisites, or access help on MSDN. When publishing a ClickOnce application to the Web, a Web page is automatically generated and published along with the application. How to: Customize the default Web page for a ClickOnce application