

The virtual machine will launch using the Ubuntu 18.04 disk image and you will be guided through the installation by the installation wizard.

iso file you downloaded in step 1 and then click Start: Step 4 - Complete the Ubuntu 18.04 install wizard VirtualBox will prompt you to select a disk image from which to install Ubuntu.

The defaults on your computer should match the image above pretty closely, but if it doubt, these settings will work fine:
