Canonical Inc, the sponsors of UBUNTU operating system distribute UBUNTU installation CDs for free. So Ubuntu users no need to download it to install. All you have to do is go to http://shipit.ubuntu.com/ and register in the website. Then you have to order a Ubuntu CD. You can order any version of Ubuntu i.e Ubuntu Desktop, KUbuntu, Edubuntu, Ubuntu Studio, Ubuntu Server Edition etc. And don’t forget to mention your address properly. After requesting you have to wait for 1 and half months. You won’t have to pay even the delivery charges. Go and get it.