Use this tag if you are creating Visual Studio Setup projects. Most likely there'll be a version of Visual Studio to which you've added the installer project add-in. These projects create MSI-based setups and ClickOnce setups.
Visual Studio Setup Projects were introduced in Visual Studio.NET and developers can create such projects to compile their binaries (and various settings) into MSI packages.
Since 2011 this project type has been considered obsolete. Microsoft initially announced its death in a blog post and later revived it as a separate Visual Studio extension.
It is recommended that users of this project migrate to other technologies (from Microsoft or not), such as the open source WiX Toolkit.