VirtualBox is an open source Type-II hypervisor from Oracle. It can be a great free alternative to VMware Workstation Pro. In this article, I am going to show you how to install VirtualBox 6 on CentOS 8. In order to install any type of hypervisor, you must enable hardware virtualization feature of your processor from the BIOS of your motherboard. Otherwise, your virtual machines will be very laggy and won’t perform as expected.