Zorin OS is a multi-functional operating system designed specifically for Windows users who want to have easy and smooth access to Linux. It is based on Ubuntu and targeted towards small to medium businesses. Zorin OS 5 Business was released July 5, 2011. Zorin OS 5 Lite, Educational Lite and Educational were released during July and August 2011. Zorin OS 9 Educational was released July 30, 2014. Zorin OS 9 Lite and Educational Lite were released August 13. 2014. Zorin OS 11 Core & Ultimate were released February 3, 2016. Zorin OS 12 Core and Ultimate were released November 18, 2016. Zorin OS 12.3 was released March 15, 2018.