Upgrade from Ubuntu 12.10 to Ubuntu 13.04

Hello, Ubuntu 13.04 Raring Ringtail Final Version released and Now It is available for Download. To Download Ubuntu 13.04 Raring Ringtail I have already Posted the Links in previous post. So You can download the Version which you want to. Now most of the Users wants to Upgrade from 12.10 to 13.04 without Formatting or [...]