Cd Image: Guest Additions

: Unlocks higher screen resolutions and 3D graphics acceleration .

By default, a freshly installed virtual machine runs on emulated hardware that provides only basic functionality. The "CD image" (actually an ISO file named VBoxGuestAdditions.iso ) contains custom drivers that unlock these key capabilities: Guest Additions - Oracle Help Center guest additions cd image

The installation process for Guest Additions varies depending on the virtualization software you're using. Here are the steps for some popular virtualization platforms: : Unlocks higher screen resolutions and 3D graphics