Installing ubuntu 18 .04 LTS in Oracle VM VirtualBox
In this video, you will see how to install (Full installation guide) ubuntu 18.04 in MacBook using VMBox.
Download Ubuntu 18.04 LTS Desktop
Download the latest LTS version of Ubuntu, for desktop PCs and laptops from here: https://ubuntu.com/download/desktop
Recommended system requirements:
2 GHz dual core processor or better
4 GB system memory
25 GB of free hard drive space