Once the virtual machine is successfully created, you will get the following interface. download the ISO image of Ubuntu 14.04.4 for the relevant architecture 32bit / 64bit install Ubuntu on VirtualBox using your ISO image (referred to in step. You have two options to choose from you could either use Dynamically allocated storage which grows as you keep using the storage, or allocate a Fixed-size storage limit that offers faster performance. Step 4: Add the ISO of Ubuntu 22.04 to the Virtual Machine. This portion will only be accessible to your virtual operating system, i.e., Ubuntu in this case. You’ll also need to allocate a portion of your hard disk to the virtual machine. For instance, if you have 16GB total RAM, allocate 4GB to the virtual machine. Ideally, you should choose to allocate about a fourth of your PC’s RAM. Install Ubuntu Back to Oracle VM VirtualBox Manager, click on the new Ubuntu virtual machine and hit Start button.