Go to Wunderlist website and download the tar file for Linux.
Extract the folder to your Home folder. Open a terminal and type the following: This will move the Wunderlist folder to the “opt” folder in the root directory.
Download the installer script here (or here if the previous link does not work).
Extract this tar file to your Home folder. In your terminal, type the following: If everything goes successfully, you should find Wunderlist in your Application List. Run it and login to your account and you will be able to manage your tasks on your desktop.