VirtualBox is a lifesaver for anyone who wants to tinker and experiment with different operating systems. Using a CD or disc image is easy in VirtualBox, but it’s handy to know how to boot from a USB in VirtualBox on Windows as well.
Make Tech Easier shows us how to get up and running with VirtualBox from a bootable USB drive. To do this, you’ll need a bootable USB drive (obviously) and you’ll need to be comfortable using command prompt, but it only involves a few steps:
Open the Start Menu and search for Disk Management. Launch it, and find the disk number of your USB drive in the bottom pane. (If it says “Disk 2, for example, the number you’re looking for is 2.)
Open the Start Menu again and search for Command Prompt. Right-click on the Command Prompt icon that appears and choose “Run as administrator”.
Navigate to the VirtualBox installation directory by running:
Enter this command to create a .vmdk file in your C drive, which will point to the USB drive: