The iTunes application itself is already free, so I will assume you are referring to how to get free iTunes songs. The best way to do this is through your Google account! If you don’t have one, go ahead and sign up for a free account. Then, go to iGoogle.com and set up your iGoogle home page if you don’t already have one. When you’re finished, click ADD STUFF and search for ‘Free iTunes’ gadgets. Select all the gadgets you want for this, and you’re all set!