Upgrade from a previous version of Ubuntu

We recommend that you back up your existing Ubuntu installation before you update your computer.

If you are upgrading from a version released prior to Ubuntu 13.10, please read the upgrade notes for more information.

For more recent versions, please read the release notes. You can find release notes for Ubuntu 14.04 LTS here and for Ubuntu 15.04 here.

  1. 1

    Launch the Software Updater

    Press the Superkey (Windows key) to launch the Dash and search for Update Manager

  2. 2

    Check for updates

    Select the tab called "Updates". Then 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. The Update Manager should open up and tell you: New distribution release '15.04' is available. Click Upgrade and follow the on-screen instructions.

  3. 3

    Install the upgrade

    A message will appear informing you of the availability of the new release. Click Upgrade and follow the on-screen instructions.