VirtualBox installing Ubuntu 18.04/20.04

https://www.virtualbox.org/wiki/Linux_Downloads/

Ubuntu 19.10 / 20.04 / 20.10 / 21.04 Ubuntu 18.04 / 18.10 / 19.04

20.04: https://download.virtualbox.org/virtualbox/6.1.22/virtualbox-6.1_6.1.22-144080~Ubuntu~eoan_amd64.deb/

18.04: https://download.virtualbox.org/virtualbox/6.1.22/virtualbox-6.1_6.1.22-144080~Ubuntu~bionic_amd64.deb/

wget https://download.virtualbox.org/virtualbox/6.1.22/virtualbox-6.1_6.1.22-144080~Ubuntu~eoan_amd64.deb

sudo dpkg -i virtualbox-6.1_6.1.22-144080~Ubuntu~eoan_amd64.deb

sudo apt install -f

sudo /sbin/vboxconfig

sudo usermod -a -G vboxusers $USER

This download it, installs it, fixes dependencies, installs kernel drivers (DKMS) and finally adds our user to vboxusers group for USB support etc.

https://www.virtualbox.org/wiki/Downloads/

Oracle VM VirtualBox Extension Pack All supported platforms

https://download.virtualbox.org/virtualbox/6.1.22/Oracle_VM_VirtualBox_Extension_Pack-6.1.22.vbox-extpack/

Download, double click and install.