Problem with create setup file of windows application

In your app.config file put key called IsInformation Updated, whose value will be by deafault 0

when first time your first form opens, check for this values, u will get 0,
Show the FillUserInfo form and when user click on save set key value to 1.


Second sollution is you can take help of Custom Actions in Setup and deplyoment,i think so,

Check this is correct answer if it helped.