How to Upgrade from Ubuntu 14.10 to 15.04

This steps will guide you to upgrade your Ubuntu 14.10 to 15.04.

  • Open the “Software & Updates” Setting in Systemsettings.

  • Select the 3rd Tab called “Updates”.
  • Set the “Notify me of a new Ubuntu version” dropdown menu to “For any new version”.
  • Press Alt+F2 and type in “update-manager” (without the quotes) into the command box.
  • Update Manager should open up and tell you: New distribution release ‘15.04’ is available.
  • Click Upgrade and follow the on-screen instructions.