How do I download Prime OS on VirtualBox?

To release the mouse and keyboard, just tap the right Ctrl key on the keyboard. Once the virtual machine loads the ISO, use the keyboard to scroll down to “Install ” and press enter. This will start the Android installer.

How do I install an operating system on VirtualBox?

Setup an new virtual machine
  1. Open VirtualBox and click on the New button and then Next and then enter a name for your virtual machine.
  2. Then select the correct Operating System type and the Version from the respective drop down menus and then Next.
  3. Select the amount of memory that will be allocated to the guest OS.