oi. Yeah, it can be done, but in this case google is your friend.
I'm too lazy to write it up at this moment, but I can give you half of what you need (a source code for a downloader) the rest is up to you, cus starting programs is uber easy.
with
Then its justCode:Imports System.Diagnostics.Process
Code:Start("Insert program path here")
Downloader source code:
www. mega upload .com/?d=RHLPJJS0
Remove the spaces, it wont let me post links