The page that follows displays the destination folder for the files that will be installed. Select next on the first page that is displayed. The installer launches after you have selected Yes. Windows displays a User Account Control prompt, which you need to allow by selecting Yes. You may double-click on the file to start the installation. Right-click on one of the files and select open from the context menu to start the installation in the virtual machine. VboxWindowsAdditions-x86 is for 32-bit systems.VboxWindowsAdditions-amd64 is 64-bit systems.

VBoxWindowsAdditions is an automatic selector.The three Windows guest additions are for different architectures. There are also additions for other operating systems, including Linux and Solaris. The root menu lists three guest additions for Windows. Next, open File Explorer on the system and open the the CD drive 'Virtual Guest Additions'. You will hear a sound that indicates that the CD has been mounted. All that it does is mount the Guest Additions CD in VirtualBox, so that you may access its contents. To get started, select Devices > Insert Guest Additions CD image. VirtualBox mounts a virtual CD image when the option is selected. The description may sound as if you'd need to insert a CD image, but this is not the case. The fix requires the installation of Guest Additions this may sound intimidating at first, but it is a straightforward process that completes in a matter of minutes on most systems. Fixing the Screen Size of Windows in VirtualBox The following instructions explain in detail how that is done. Thankfully, it is rather easy to unlock all supported screen resolutions in VirtualBox. The scaling options are unlocked and available, though. The 'resize to' options are all inactive, as they are grayed out and not selectable. The View > Virtual Screen menu of the VirtualBox application lists all available resolutions and scaling options. The low resolution may be sufficient for some tasks, but many may benefit from larger resolutions.

Virtualbox windows 3.1