For even more detail, go to the JJP Support Page, choose The Hobbit.
Download The Hobbit Full Install 3.10 [USA Mirror] *NEW*
The .iso file is big, like 4 gig big, it will take some time.
While the .iso is downloading go to this website:
Download Rufus 3.5 from the link provided on the page.
Rufus allows you to create a boot-able USB stick with the .iso that you are downloading.
Get a data stick, at least 8 gig in size. Use Rufus to create the boot-able USB stick. This will take maybe 15 minutes depending on how fast your PC is.
Turn your pinball machine off.
Open the coin door and plug the USB stick in.
Power the game on and let it do it's thing. The update will take 10, maybe 15 minutes. It will tell you when it's done.
Once it tell you it is done, shut the machine off and remove the USB stick.
Turn the machine back on and enjoy Keefer's magic that is v3.1.