You will need to provide a name for this virtual machine and choose the correct type and version of the OS you will be installing in the virtual machine. Here, click on the 'New' button to create a new virtual machine to use for class! Once the install is complete, find the VirtualBox icon in your Applications folder: You can likely use the default installation location (/Applications). You will be presented with the following screen… click on the 'Continue' button: Double click on the 'VirtualBox.pkg' icon: The image will mount and you should see the following window. dmg file in your downloads area and double-click: Next, click on the 'Download VirtualBox 6.1' button and follow the instructions to find the right download for your machine.
You should be greeted with the following screen: