You have the zip file of the exported web application that you want to import on the third-party (target) machine.
You are on the target machine.
Copy the zip file of the exported web application that you want to import at a desired location on the target machine.
Open the Internet Information Services (IIS) Manager.
Select Sites > [website] and click ImportApplication from the Actions pane. NOTE: The Export Application menu displays only if you have installed Microsoft Web Deploy 3.6.
The Import Application Package window displays.
Browse for the exportedweb application zip file on the target machine and click Next.
(Optional) Specify the web application name.
Click Next.
A message displays asking you to change the application to run in .Net 4.0 application pool.
Click Yes.
Click Finish.
The web application is added as a child under the website in IIS.