Step-by-step – VirtualBox Xubuntu 20.04 Gnu/Linux Installation

Installing

2. 2. Installing VirtualBox

   Then to Install VirtualBox in Xubuntu GNU/Linux
   First, search for the available Versions with:

   sudo apt search virtualbox-

   And then for instance to Setup the 7.0 Release play:

   sudo apt install virtualbox-7.0

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.