The instructions will open & download a small page on your computer you will then have to open (so make sure adults say it's OK & are with you to help!
Why not take a look at creating a FROG (PDF)
"MAY THE FOURTH BE WITH YOU" (MAY the FORCE be with you)..which is a terrible star wars related joke ..however I never said I was good at jokes did I!? (try it on your friends, parents, or carers & you might see what I mean).