I am not responsible for any damages, data loss or any other strange computer behaviors.

1. Ubuntu 7.10 must be installed in your computer
2. Open your “Terminal”
3. Type sudo do-release-upgrade –devel-release
4. Wait until the new system is downloaded and installed
5. Be patient now… it is almost done
6. Now is going to ask you if you want to remove the packages that were installed in your computer type y
7. Now reboot your system
8. Congratulations, you are finish. Now will have the final version prerelease of Ubuntu 8.04

If you want to install Ubuntu 8.04 through “Update Manager” click on this link for the tutorial.