It can be very hard to find any codes, when there are so many people after free iTunes redeem codes, and to find codes that work is even harder. But just to let you know there are free methods you can use to get the free iTunes Codes.
Some sites use a free gift card codes generator, to generate your iTunes codes, but these websites are illegal and will get you into a lot of trouble. Again, there are safe and legit ways to get codes for your iTunes.
Once you have received your iTunes voucher. You will then be able to download music in to your computer to Apple Mac. It depends on you.
You should know that with sites that give away free iTunes codes there is always a catch involved so you need to be careful. However, there are legal ways of getting the codes.
But, do not try to get free music from the Warez sites as these sites are full of viruses. The iTunes system is a great tool when looking for great music. So many people search everyday for free codes, especially with the way the economy the way it is people need to save money.