$ sudo apt install build-essential linux-headers-amd64

$ cd Downloads/

$ sudo chmod +x VirtualBox*.run

$ sudo ./VirtualBox*.run

$ vboxversion=$(wget -qO - https://download.virtualbox.org/virtualbox/LATEST.TXT)

$ wget "https://download.virtualbox.org/virtualbox/${vboxversion}/Oracle_VM_VirtualBox_Extension_Pack-${vboxversion}.vbox-extpack"

$ sudo vboxmanage extpack install --replace Oracle_VM_VirtualBox_Extension_Pack-${vboxversion}.vbox-extpack

$ sudo usermod -aG vboxusers [username]

$ sudo reboot