If you're running Fedora Linux inside a VirtualBox virtual machine, installing the Guest Additions software will help you get the most out of the system. VirtualBox Guest Additions will give the machine more capabilities, such as a shared clipboard with the host system, drag and drop file transfer, and automatic window resizing.
This is a companion discussion topic for the original entry at https://linuxconfig.org/virtualbox-guest-additions-installation-on-fedora-linux