How to make VB.NET download a program from the net?

Simple + easy heres a nub tut

Step 1
right click the DL!
[IMG]http://i950.photobucke*****m/albums/ad343/trevor206/Prop.jpg[/IMG]

Step 2
[IMG]http://i950.photobucke*****m/albums/ad343/trevor206/Prop2.jpg[/IMG]

Step 3
Then once u copy that like as shown in step 2 lets say when they click a button u want them do dl the program.
button 1