The video and audio quality will be better, and the mouse pointer will no longer be “jumpy” when you move it around the screen. Reboot your virtual machine for the changes to take effect.Īfter installing the Guest Additions, you should notice a significant improvement in the performance of your macOS virtual machine. This will install the Guest Additions drivers and features on your macOS virtual machine.ĥ. For example, if you have mounted the ISO file to the “/Volumes/VirtualBox Additions” directory, you would use the following command:Ĥ. Open a Terminal window and navigate to the mount point of the ISO file. This file is located in the “Additions” folder on your VirtualBox installation media.ģ.

Mount the VirtualBox Guest Additions ISO file. Start your macOS virtual machine in VirtualBox.Ģ. Installing the Guest Additions is a simple process that only takes a few minutes.

The Guest Additions provide drivers and features that are not available in the standard macOS installation, such as better video and audio support, shared folders, and seamless mouse integration. If you are using VirtualBox to run macOS on your Mac, you will need to install the VirtualBox Guest Additions to get the best performance out of your virtual machine.

Macos virtualbox guest additions