First project

From visual studio,

select the new project with type: Windows Installer XML -> setup project

delete wxs files and create a new one.

all the elements are in wix tags of this xml type file.

<Wix ...>
   <Product Id= ...>
</Wix>

Product element contains id,name,language,version,manufacturer,upgradecode.
Package element contains summary info.
cab files structure is in MediaTemplate tag.

<Directory> tag contains folder structure we create.
similarly, component tag..inside it, we create file tags.
Feature tag, for features.Inside feature tag, we use ComponentRef as child tags to map components.