Download the a demo file from (?) this resource (https://bitbucket.org/dilos/site/downloads/). The file name should contains «demo» word in its name. Burn the image to a CD/DVD media or mount the file to a VM and boot it. You will see GRUB:
...
Download the a demo file from (?) this resource (https://bitbucket.org/dilos/site/downloads/). The file name should contains «demo» word in its name. Burn the image to a CD/DVD media or mount the file to a VM and boot it. You will see GRUB:
...