In this tutorial, you will find instructions to download Ubuntu 20.04 LTS Focal Fossa ISO images from official site. Also you will learn how to download images with zsync command line utility.

Select your favorite Desktop edition and use below links to download the required editions.

Ubuntu 20.04 LTS DesktopUbuntu 20.04 64-bit PC (AMD64) desktop image Ubuntu 20.04 64-bit PC (AMD64) desktop torrent

Download Ubuntu ISO with Curl

Wget and curl is the frequently used commands for downloading files over ftp, http protocols. This tutorial will use curl command to download files, You can use wget instead. Make sure you have curl utility installed on your system. Then download the Focal Desktop or server edition image:

Download Ubuntu ISO with Zsync

Zsync allows us to download only the updates in a iso file. So, first install the zsync utility on your system: Now, use the following command to download Ubuntu Desktop ISO image. The first time, it will show you a message on screen “No relevent local data found – I will be downloading the whole file.” It means zsync is downloading the complete ISO files. Next time, when you want to download updates, use the same command from directory contains previously downloaded iso file. Alternatively, use -i option to define existing iso file. Now, zsync only download the change part of the ISO only.


In this tutorial, you have learned multiple options to download Ubuntu 20.04 LTS Focal Fossa ISO images.