start an application using custom page

As i am making setup using NSIS , using custom page how can we start an application(e.g outlook)by using the 1st check box and any website by using the 2nd check box on click of finish button ,i have created the check box but unable to open an application and website and please help me , waiting for your reply..

You already asked this question in your previous thread. Do not post the same question twice, thank you.

To top things off, you have already been given the solution, too. You need to start learning to do things by yourself.