Today we will be looking in how to upgrade Ubuntu 13.10 to Ubuntu 14.04, this will take a some time to complete; it also depends on internet speed. Before upgrading, it is recommended to take a backup of important files to secure location. You can do on own risk. Follow the steps to upgrade.
Step 1: Check your current version (Click on gear icon at top right –> About this computer)
Step 2: Run the following command in the terminal to get the latest update for the current version.
Step 3: Search for updater, click on Software Updater.
Step 4: It would ask you to enter password.
Step 5: You would get the following window to upgrade Ubuntu 14.04, click on upgrade.
Step 6: Now click on upgrade in release note window.
Step 7: You will get update summary, click on upgrade.
Step 8: Now it will start to download the package.
Step 9: If there is any package to be removed, it will popup the window. You can either keep or remove the obsolete packages. it is recommended remove the obsolete packages.
Step 10: Once completed, it would ask you to restart the computer.
Step 11: Once it rebooted, Checkout the brand new Ubuntu 14.04 login.
That’s All!, now you have latest version of Ubuntu.