Once the download has completed, open the. Visit their download page and click the link OS X hosts (which is the current stable version). Now you’ll need to download and install VirtualBox.First up, head over to the Ubuntu download page and download Ubuntu.The more memory you have and the faster your CPU and/or hard drive is, the less you’ll notice it. Running both Ubuntu and macOS at the same time will “slow down” your Mac.You may want to make yourself a cup of coffee or tea before you start. The installation time is about 20 minutes, depending on the speed of your Mac, amount of memory etc.During the actual installation process, based on the version of Ubuntu you opt to install – you may have to spend some time downloading updates as well. Depending on the speed of your Internet connection, it might take a while to download Ubuntu.Before you get started, there are a few things that should be noted up front.The entire process is actually quite straightforward – and all of the software involved is free – so why not give it a shot :) None of the data on your Mac is at risk of being deleted or altered. Plus, it will not affect the files in macOS itself at all. Using this method to install Ubuntu not only allows you to run it and macOS at the same time, you can really try out Ubuntu – and if you don’t like it – very easily get rid of it. The following guide uses Ubuntu 18.04.3 LTS “Bionic Beaver”, but the steps and screenshots are nearly identical for most versions of Ubuntu, up to including 20.04.1 LTS. Please note: although this guide was initially authored in 2015, it has been updated (2020) to be current. Using this method you’ll be able to run Ubuntu and macOS at the same time! This in depth guide will take you every step of the way through installing Ubuntu Linux on your Mac, by way of VirtualBox – a free and outstanding program.